@article{Wosnitza1987,
  author    = {Wosnitza, Franz},
  title     = {Ein Testbarkeitsanalysemaß f{\"u}r den testfreundlichen Entwurf integrierter Schaltkreise auf Register-Transfer-Niveau},
  series = {ITG-Fachberichte. 98 (1987)},
  journal   = {ITG-Fachberichte. 98 (1987)},
  pages     = {291 -- 295},
  year      = {1987},
  language  = {de}
}
@article{KollerStellberg1987,
  author    = {Koller, R. and Stellberg, Michael},
  title     = {Ein Weg zu einer systematischen Konstruktion und Ordnung von Schnappverbindungen},
  series = {Konstruktion : Zeitschrift f{\"u}r Produktentwicklung und Ingenieur-Werkstoffe. Bd 39 (1987), H. 8},
  journal   = {Konstruktion : Zeitschrift f{\"u}r Produktentwicklung und Ingenieur-Werkstoffe. Bd 39 (1987), H. 8},
  issn      = {0720-5953},
  pages     = {315 -- 320},
  year      = {1987},
  language  = {de}
}
@article{KruegerGroetzingerBerndt1987,
  author    = {Kr{\"u}ger, G{\"o}tz and Gr{\"o}tzinger, Joachim and Berndt, Heinz},
  title     = {Enantiomeric resolution of amino acid derivatives on chiral stationary phases by high-performance liquid chromatography},
  series = {Journal of Chromatography A},
  volume    = {1987},
  journal   = {Journal of Chromatography A},
  number    = {397},
  issn      = {0021-9673},
  doi       = {10.1016/S0021-9673(01)85005-6},
  pages     = {223 -- 232},
  year      = {1987},
  language  = {en}
}
@article{SchwarzerBieger1987,
  author    = {Schwarzer, Klemens and Bieger, W.},
  title     = {Entwicklung eines solaren Kochers},
  series = {Erneuerbare Energiequellen : Aktivit{\"a}ten deutscher Hochschulen / zsgest. von F. A. Peuser ...},
  journal   = {Erneuerbare Energiequellen : Aktivit{\"a}ten deutscher Hochschulen / zsgest. von F. A. Peuser ...},
  publisher = {Zentralstelle f{\"u}r Solartechnik},
  address   = {Hilden},
  pages     = {2 -- 3},
  year      = {1987},
  language  = {de}
}
@article{SchwarzerBieger1987,
  author    = {Schwarzer, Klemens and Bieger, W.},
  title     = {Entwicklung von solaren Unterrichtsmesspl{\"a}tzen fuer Indonesien / W. Bieger ; K. Schwarzer},
  series = {Erneuerbare Energiequellen : Aktivit{\"a}ten deutscher Hochschulen / zsgest. von F. A. Peuser ...},
  journal   = {Erneuerbare Energiequellen : Aktivit{\"a}ten deutscher Hochschulen / zsgest. von F. A. Peuser ...},
  publisher = {Zentralstelle f{\"u}r Solartechnik},
  address   = {Hilden},
  pages     = {4 -- 5},
  year      = {1987},
  language  = {de}
}
@article{ElbersRemmeLehmann1987,
  author    = {Elbers, Gereon and Remme, S. and Lehmann, G.},
  title     = {EPR and Optical Absorption of Cr3+ in CsCl and CsBr},
  series = {Physica Status Solidi (B). 142 (1987), H. 2},
  journal   = {Physica Status Solidi (B). 142 (1987), H. 2},
  isbn      = {0031-8957},
  pages     = {367 -- 377},
  year      = {1987},
  language  = {en}
}
@book{Polumsky1987,
  author    = {Polumsky, Dieter},
  title     = {Erweiterungsm{\"o}glichkeiten des Verkehrsplanungsalgorithmus},
  publisher = {Inst. f{\"u}r Stadtbauwesen, RWTH},
  address   = {Aachen},
  isbn      = {3-88354-114-1},
  pages     = {X, 200 S. : graph. Darst., Kt.},
  year      = {1987},
  language  = {de}
}
@article{BreitbachSchubertAhmed1987,
  author    = {Breitbach, Gerd and Schubert, F. and Ahmed, K.},
  title     = {Experimentelle und theoretische Untersuchungen zum Kriechbeulen von Rohren aus Ni Cr 22 Co 12 Mo bei 950 Cel / F. Schubert ; K. Ahmed ; G. Breitbach ...},
  series = {Sicherheit und Verf{\"u}gbarkeit in der Anlagentechnik mit dem Schwerpunkt der Beitrag der Komponenten- und Grossprobenpr{\"u}fung zur Beurteilung von Bauteilen und Anlagen : [8. - 9. Oktober 1987] / Staatliche Materialpr{\"u}fungsanstalt Universit{\"a}t Stuttgart. - Bd. 2 : Rohrleitungsversagen, Komponenten, Thermoschock, Hochtemperaturverhalten, Beh{\"a}lterintegrit{\"a}t, Schweissverbindungen : (Vortr{\"a}ge 29 - 51)},
  journal   = {Sicherheit und Verf{\"u}gbarkeit in der Anlagentechnik mit dem Schwerpunkt der Beitrag der Komponenten- und Grossprobenpr{\"u}fung zur Beurteilung von Bauteilen und Anlagen : [8. - 9. Oktober 1987] / Staatliche Materialpr{\"u}fungsanstalt Universit{\"a}t Stuttgart. - Bd. 2 : Rohrleitungsversagen, Komponenten, Thermoschock, Hochtemperaturverhalten, Beh{\"a}lterintegrit{\"a}t, Schweissverbindungen : (Vortr{\"a}ge 29 - 51)},
  publisher = {MPA},
  address   = {Stuttgart},
  pages     = {42.1 -- 42.18},
  year      = {1987},
  language  = {de}
}
@article{HelsperMoelterWillemer1987,
  author    = {Helsper, Christoph and M{\"o}lter, W. and Willemer, W.},
  title     = {Fast and Automated Testing of Filter Media / M{\"o}lter, W. ; Helsper, C. ; Willemer, W.},
  series = {FILTECH Conference 1987 : Utrecht, Holland; September 23 - 25 1987 / org. by the Filtration Society , Vol. 1.},
  journal   = {FILTECH Conference 1987 : Utrecht, Holland; September 23 - 25 1987 / org. by the Filtration Society , Vol. 1.},
  publisher = {Filtration Society},
  address   = {Loughborough},
  pages     = {106 -- 112},
  year      = {1987},
  language  = {en}
}
@article{Raatschen1987,
  author    = {Raatschen, Hans-J{\"u}rgen},
  title     = {Fokussierung von Spannungswellen in einer krummlinig berandeten Scheibe},
  series = {ZAMM : Zeitschrift f{\"u}r Angewandte Mathematik und Mechanik},
  volume    = {67},
  journal   = {ZAMM : Zeitschrift f{\"u}r Angewandte Mathematik und Mechanik},
  number    = {4},
  issn      = {1521-4001},
  pages     = {T230 -- T231},
  year      = {1987},
  language  = {de}
}
@article{HoylerHamadaHamilton1987,
  author    = {Hoyler, Friedrich and Hamada, S. A. and Hamilton, W. D.},
  title     = {Gamma-gamma directional correlation measurements in 84Kr following thermal neutron capture by natural krypton / S. A. Hamada ; W. D. Hamilton ; F. Hoyler},
  series = {Journal of physics / G. 13 (1987), H. 9},
  journal   = {Journal of physics / G. 13 (1987), H. 9},
  isbn      = {0305-4616},
  pages     = {1143 -- 1163},
  year      = {1987},
  language  = {en}
}
@article{HagemannOBryan1987,
  author    = {Hagemann, Hans-J{\"u}rgen and O´Bryan, H. M.},
  title     = {Grain boundary and surface segragation of Ba-Ti-O-Phases in rutile. O´Bryan, H. M.; Hagemann, H. J.},
  series = {Journal of the American Ceramic Society. 70 (1987)},
  journal   = {Journal of the American Ceramic Society. 70 (1987)},
  isbn      = {0002-7820},
  pages     = {274 -- 278},
  year      = {1987},
  language  = {en}
}
@book{Sponagel1987,
  author    = {Sponagel, Stefan},
  title     = {Gummi-Metall-Bauteile},
  address   = {Kaiserslautern},
  pages     = {126 S. : Ill., graph. Darst.},
  year      = {1987},
  language  = {de}
}
@book{MerschenzQuack1987,
  author    = {Merschenz-Quack, Angelika},
  title     = {Halogenide und Hydrate von Oxos{\"a}uren des Schwefels : Beitr. zur Kristall- u. Strukturchemie},
  address   = {D{\"u}sseldorf},
  pages     = {104 S. : zahlr. Ill., graph. Darst.},
  year      = {1987},
  language  = {de}
}
@article{PrielmeierSpeedyLuedemann1987,
  author    = {Prielmeier, Franz and Speedy, R. J. and L{\"u}demann, H.-D.},
  title     = {High Pressure NMR Self-Diffusion Studies on Supercooled Water},
  series = {High Pressure Science and Technology Proceeding XI AIRAPT, Kiew. 1},
  journal   = {High Pressure Science and Technology Proceeding XI AIRAPT, Kiew. 1},
  pages     = {75},
  year      = {1987},
  language  = {en}
}
@article{PrielmeierLangRadkowitschetal.1987,
  author    = {Prielmeier, Franz and Lang, E. W. and Radkowitsch, H. and L{\"u}demann, H. D.},
  title     = {High Pressure NMR Study of the Molecular Dynamics of Liquid fluoroform and deutero-fluoroform / Lang, E. W. ; Prielmeier, F. X. ; Radkowitsch, H. ; L{\"u}demann, H. D.},
  series = {Berichte der Bunsen-Gesellschaft f{\"u}r Physikalische Chemie. 91 (1987), H. 10},
  journal   = {Berichte der Bunsen-Gesellschaft f{\"u}r Physikalische Chemie. 91 (1987), H. 10},
  isbn      = {0005-9021},
  pages     = {1025 -- 1033},
  year      = {1987},
  language  = {en}
}
@article{PrielmeierLangRadkowitschetal.1987,
  author    = {Prielmeier, Franz and Lang, E. W. and Radkowitsch, H. and L{\"u}demann, H.-D.},
  title     = {High Pressure NMR Study of the Molecular Dynamics of Liquid methyl fluoride and deutero-methyl fluoride / Lang, E. W. ; Prielmeier, F. X. ; Radkowitsch, H. ; L{\"u}demann, H. D.},
  series = {Berichte der Bunsen-Gesellschaft f{\"u}r Physikalische Chemie. 91 (1987), H. 10},
  journal   = {Berichte der Bunsen-Gesellschaft f{\"u}r Physikalische Chemie. 91 (1987), H. 10},
  isbn      = {0005-9021},
  pages     = {1017 -- 1025},
  year      = {1987},
  language  = {en}
}
@article{Mohnke1987,
  author    = {Mohnke, Andreas},
  title     = {High-rate sputtering of zinc oxide with a funnel-shaped magnetic field: Effect of the target thickness on the layer properties},
  series = {Vakuum-Technik. 36 (1987), H. 5},
  journal   = {Vakuum-Technik. 36 (1987), H. 5},
  isbn      = {0042-2266},
  pages     = {148 -- 151},
  year      = {1987},
  language  = {en}
}
@article{KollerStellberg1987,
  author    = {Koller, R. and Stellberg, Michael},
  title     = {Hilfsmittel zum systematischen Konstruieren : Ordnen von Spannverbindungen},
  series = {Industrie-Anzeiger. Bd. 109 (1987), H. 24},
  journal   = {Industrie-Anzeiger. Bd. 109 (1987), H. 24},
  issn      = {0019-9036},
  pages     = {28 - 29 -- 31 - 32},
  year      = {1987},
  language  = {de}
}
@article{SponagelSpaltofski1987,
  author    = {Sponagel, Stefan and Spaltofski, R.},
  title     = {Hochmolekulare Zus{\"a}tze verbessern die Leichtlaufeigenschaft und die Tragf{\"a}higkeit von Schmierfilmen / Sponagel, S. ; Spaltofski, R.},
  series = {Mineral{\"o}ltechnik. 32 (1987), H. 3},
  journal   = {Mineral{\"o}ltechnik. 32 (1987), H. 3},
  isbn      = {0341-1893},
  pages     = {28 S.},
  year      = {1987},
  language  = {de}
}
@article{BlomeKundt1987,
  author    = {Blome, Hans-Joachim and Kundt, W.},
  title     = {Hypersonic Jets from Young Stars in Molecular Clouds},
  series = {Circumstellar matter : proceedings of the 122nd symposium of the Internat. Astronom. Union held in Heidelberg, FRG, June 23 - 27, 1986 / ed. by I. Appenzeller ...},
  journal   = {Circumstellar matter : proceedings of the 122nd symposium of the Internat. Astronom. Union held in Heidelberg, FRG, June 23 - 27, 1986 / ed. by I. Appenzeller ...},
  publisher = {Reidel},
  address   = {Dordrecht u.a.},
  isbn      = {90-277-2511-X},
  pages     = {73 -- 74},
  year      = {1987},
  language  = {en}
}
@article{HillenSchiebelZaengel1987,
  author    = {Hillen, Walter and Schiebel, U. and Zaengel, T.},
  title     = {Imaging performance of a digital storage phosphor system},
  series = {Medical Physics. 14 (1987), H. 5},
  journal   = {Medical Physics. 14 (1987), H. 5},
  isbn      = {0094-2405},
  pages     = {744 -- 751},
  year      = {1987},
  language  = {en}
}
@book{Lassonczyk1987,
  author    = {Lassonczyk, Beate},
  title     = {Immobilisierung l{\"o}slicher organischer Stoffe aus Auflagehorizonten in Sandb{\"o}den},
  address   = {Bonn},
  pages     = {140 S. : graph. Darst.},
  year      = {1987},
  language  = {de}
}
@article{FoersterLueth1987,
  author    = {F{\"o}rster, Arnold and L{\"u}th, H.},
  title     = {Investigation of the InSb(110)-Sn schottky barrier by means of electron energy loss spectroscopy},
  series = {Surface Science. 189-190 (1987)},
  journal   = {Surface Science. 189-190 (1987)},
  isbn      = {0039-6028},
  pages     = {307 -- 314},
  year      = {1987},
  language  = {en}
}
@article{Ziemons1987,
  author    = {Ziemons, Karl},
  title     = {Jet production and fragmentation properties in deep inelastic muon scattering},
  series = {Zeitschrift f{\"u}r Physik C : Particles and Fields},
  volume    = {36},
  journal   = {Zeitschrift f{\"u}r Physik C : Particles and Fields},
  number    = {4},
  isbn      = {0170-9739},
  pages     = {527 -- 543},
  year      = {1987},
  language  = {en}
}
@book{Grap1987,
  author    = {Grap, Rolf Dietmar},
  title     = {Konzeption eines EDV-Systems f{\"u}r die Auftragsabwicklung im Bereich der Weiterverarbeitung der Thyssen-Henrichsh{\"u}tte nach software-ergonomischen Kriterien},
  publisher = {IAW - Lehrstuhl und Institut f{\"u}r Arbeitswissenschaft der RWTH},
  address   = {Aachen},
  year      = {1987},
  language  = {de}
}
@book{Grueters1987,
  author    = {Gr{\"u}ters, Hugo},
  title     = {Mechanik: Vorlesung},
  publisher = {Becker-Kuns},
  address   = {Aachen},
  pages     = {253 S.: zahlr. graph. Darst.},
  year      = {1987},
  language  = {de}
}
@article{LaackAlbrecht1987,
  author    = {Laack, Walter van and Albrecht, T.},
  title     = {Mikrobiologische Untersuchungen auf Keimfreiheit bei physikalischen Anwendungen},
  series = {Orthop{\"a}dische Praxis. 23 (1987)},
  journal   = {Orthop{\"a}dische Praxis. 23 (1987)},
  isbn      = {0030-588x},
  pages     = {73},
  year      = {1987},
  language  = {de}
}
@article{Starke1987,
  author    = {Starke, G{\"u}nther},
  title     = {Nahtfuehrungssensor zur adaptiven Steuerung von Handhabungseinrichtungen fuer das Lichtbogenschweissen},
  series = {Schweissen und Schneiden. 39 (1987), H. 4},
  journal   = {Schweissen und Schneiden. 39 (1987), H. 4},
  isbn      = {0036-7184},
  pages     = {191 -- 192},
  year      = {1987},
  language  = {de}
}
@article{LaackHennesRefisch1987,
  author    = {Laack, Walter van and Hennes, A. and Refisch, A.},
  title     = {Narkosemobilisation der Schultersteife (Periarthritis humeroscapularis ankylosans)},
  series = {Zeitschrift f{\"u}r Orthop{\"a}die und Ihre Grenzgebiete. 125 (1987), H. 6},
  journal   = {Zeitschrift f{\"u}r Orthop{\"a}die und Ihre Grenzgebiete. 125 (1987), H. 6},
  isbn      = {0044-3220},
  pages     = {669 -- 673},
  year      = {1987},
  language  = {de}
}
@phdthesis{Staat1987,
  author    = {Staat, Manfred},
  title     = {Nichtlineare Wellen in elastischen Scheiben},
  address   = {Aachen},
  pages     = {VIII, 197 S. : graph. Darst.},
  year      = {1987},
  language  = {de}
}
@incollection{Doeren1987,
  author    = {D{\"o}ren, Horst-Peter},
  title     = {Nichtrostende St{\"a}hle},
  series = {Jahrbuch Schweißtechnik. 1988},
  booktitle = {Jahrbuch Schweißtechnik. 1988},
  publisher = {Dt. Verl. f{\"u}r Schweißtechnik (DVS)},
  address   = {D{\"u}sseldorf},
  isbn      = {0935-0292},
  pages     = {188 -- 203},
  year      = {1987},
  language  = {de}
}
@article{HoettgesRitterbachEls1987,
  author    = {H{\"o}ttges, J{\"o}rg and Ritterbach, E. and Els, H.},
  title     = {Optical Improvement of LDV-Measurement in Pipe Flow / Ritterbach, E.; J. H{\"o}ttges; H. Els},
  series = {Laser anemometry : advances and applications; proceedings of the 2. International Conference, Strathclyde, Scotland, 21st to 23rd September 1987 / ed. by John Turner ... UK LDA Users Group},
  journal   = {Laser anemometry : advances and applications; proceedings of the 2. International Conference, Strathclyde, Scotland, 21st to 23rd September 1987 / ed. by John Turner ... UK LDA Users Group},
  publisher = {Springer},
  address   = {Berlin [u.a.]},
  isbn      = {3540187561},
  pages     = {VII, 601 S : Ill., graph. Darst.},
  year      = {1987},
  language  = {en}
}
@inproceedings{Wahle1987,
  author    = {Wahle, Michael},
  title     = {Optimale Auslegung von Schwingungsd{\"a}mpfern zur Schwingungsberuhigung elastischer Strukturen},
  series = {D{\"a}mpfung von Schwingungen bei Maschinen und Bauwerken : Tagung N{\"u}rnberg, 9. u. 10. April 1987. - (VDI-Berichte ; 627)},
  booktitle = {D{\"a}mpfung von Schwingungen bei Maschinen und Bauwerken : Tagung N{\"u}rnberg, 9. u. 10. April 1987. - (VDI-Berichte ; 627)},
  publisher = {VDI-Verl.},
  address   = {D{\"u}sseldorf},
  isbn      = {3-18-090627-8},
  pages     = {355 -- 373},
  year      = {1987},
  language  = {de}
}
@book{KotterLintz1987,
  author    = {Kotter, Michael and Lintz, Hans-G{\"u}nther},
  title     = {Optimierung der Katalysatorzusammensetzung im Fall der selektiven Reduktion von Stickoxiden durch Ammoniak bei instation{\"a}rer Reaktionsf{\"u}hrung in einem weiten Temperaturbereich. - (Forschungsbericht KfK-PEF ; 33)},
  publisher = {Kernforschungszentrum},
  address   = {Karlsruhe},
  pages     = {26 S. : graph. Darst.},
  year      = {1987},
  language  = {de}
}
@article{SmithBaumannWilsonetal.1987,
  author    = {Smith, Walker O. and Baumann, Marcus and Wilson, David L. and Aletsee, Ludwig},
  title     = {Phytoplankton biomass and productivity in the marginal ice zone of the Fram Strait during summer 1984},
  series = {Journal of geophysical research},
  volume    = {Vol. 92},
  journal   = {Journal of geophysical research},
  number    = {Iss. C7},
  issn      = {2156-2202 (E-Journal); 2169-9291 (E-Journal); 0148-0227 (Print); 2169-9275 (Print)},
  pages     = {6777 -- 6786},
  year      = {1987},
  language  = {en}
}
@article{Biener1987,
  author    = {Biener, Ernst},
  title     = {Planung neuer Deponien},
  series = {[Tagungsband] 21. Tiefbaukolloquium / Haus der Technik e.V.},
  journal   = {[Tagungsband] 21. Tiefbaukolloquium / Haus der Technik e.V.},
  publisher = {Eigenverl. Haus der Technik},
  address   = {Essen},
  pages     = {9.01 -- 9.08},
  year      = {1987},
  language  = {de}
}
@article{LaackRefischVogel1987,
  author    = {Laack, Walter van and Refisch, A. and Vogel, P.},
  title     = {Polymyalgia rheumatica vom Beckeng{\"u}rteltyp: Eine seltene Differentialdiagnose der radikul{\"a}ren und pseudoradikul{\"a}ren Lumbalsyndrome. Fallbeschreibung und Literatur{\"u}bersicht / Refisch, A. ; Laack, W. van ; Vogel, P.},
  series = {Orthop{\"a}dische Praxis. 23 (1987)},
  journal   = {Orthop{\"a}dische Praxis. 23 (1987)},
  isbn      = {0030-588x},
  pages     = {567},
  year      = {1987},
  language  = {de}
}
@article{KurbelPietsch1987,
  author    = {Kurbel, K. and Pietsch, Wolfram},
  title     = {Projektmanagement bei Expertensystem-Entwicklungen},
  series = {Arbeitsberichte des Lehrstuhls f{\"u}r Betriebsinformatik / Lehrstuhl f{\"u}r Betriebsinformatik, Fachbereich Wirtschafts- und Sozialwissenschaften, Universit{\"a}t Dortmund},
  journal   = {Arbeitsberichte des Lehrstuhls f{\"u}r Betriebsinformatik / Lehrstuhl f{\"u}r Betriebsinformatik, Fachbereich Wirtschafts- und Sozialwissenschaften, Universit{\"a}t Dortmund},
  number    = {H. November},
  pages     = {1 -- 21},
  year      = {1987},
  language  = {de}
}
@article{PietschKurbelLabentz1987,
  author    = {Pietsch, Wolfram and Kurbel, K. and Labentz, M.},
  title     = {Prototyping und Projektmanagement bei großen Entwicklungsteams / Kurbel, K., Labentz, M., Pietsch, W.},
  series = {Information management : IM ; Praxis, Ausbildung u. Forschung d. Wirtschaftsinformatik. 2 (1987), H. 1},
  journal   = {Information management : IM ; Praxis, Ausbildung u. Forschung d. Wirtschaftsinformatik. 2 (1987), H. 1},
  isbn      = {0930-5181},
  pages     = {6 -- 15},
  year      = {1987},
  language  = {en}
}
@article{Doeren1987,
  author    = {D{\"o}ren, Horst-Peter},
  title     = {Pulver-Auftragschweissen / Hoher Automatisierungsgrad des Plasmaverfahrens. Harte Panzerung aus dem Argon-Strahl.},
  series = {Handelsblatt. Nr. 212 vom 4.11.1987},
  journal   = {Handelsblatt. Nr. 212 vom 4.11.1987},
  pages     = {b15},
  year      = {1987},
  language  = {de}
}
@article{Pietsch1987,
  author    = {Pietsch, Wolfram},
  title     = {Qualit{\"a}t in die Wiege gelegt},
  series = {Markt \& Technik : die unabh{\"a}ngige Wochenzeitung f{\"u}r Elektronik},
  journal   = {Markt \& Technik : die unabh{\"a}ngige Wochenzeitung f{\"u}r Elektronik},
  number    = {H. 10},
  issn      = {0344-8843},
  pages     = {58 -- 63},
  year      = {1987},
  language  = {de}
}
@article{Frings1987,
  author    = {Frings, Michael},
  title     = {Rechtswirkungen eines Auslandskonkurses f{\"u}r Inlandsforderungen, LG Aachen},
  series = {Neue juristische Wochenschrift : NJW / NJW-Rechtsprechungs-Report Zivilrecht : NJW-RR (1987)},
  journal   = {Neue juristische Wochenschrift : NJW / NJW-Rechtsprechungs-Report Zivilrecht : NJW-RR (1987)},
  isbn      = {0179-4043},
  pages     = {502},
  year      = {1987},
  language  = {de}
}
@article{Meliss1987,
  author    = {Meliß, Michael},
  title     = {Regenerative Energiequellen},
  series = {Brennstoff, W{\"a}rme, Kraft : BWK ; das Energie-Fachmagazin. Bd. 39 (1987), H. 4},
  journal   = {Brennstoff, W{\"a}rme, Kraft : BWK ; das Energie-Fachmagazin. Bd. 39 (1987), H. 4},
  issn      = {0006-9612 (Print) ; 1436-4883 (E-Journal)},
  pages     = {160 -- 167},
  year      = {1987},
  language  = {de}
}
@book{Siepmann1987,
  author    = {Siepmann, Thomas},
  title     = {Reibmomente in Zylinderrollenlagern f{\"u}r Planetenr{\"a}der},
  address   = {Bochum},
  isbn      = {3-89194-068-8},
  pages     = {279 S. : graph. Darst.},
  year      = {1987},
  language  = {de}
}
@article{KotterLintz1987,
  author    = {Kotter, Michael and Lintz, Hans-G{\"u}nther},
  title     = {R{\´e}duction catalytique s{\´e}l{\´e}ktive des oxydes d'azote : une conc{\´e}ption originale},
  series = {Entropie. 23 (1987), H. 137/138},
  journal   = {Entropie. 23 (1987), H. 137/138},
  isbn      = {0013-9084},
  pages     = {109 -- 116},
  year      = {1987},
  language  = {de}
}
@article{SponagelKilthauSpies1987,
  author    = {Sponagel, Stefan and Kilthau, G. and Spies, K. H.},
  title     = {Sealing mechanism of lip seals},
  series = {Eleventh 11th International Conference on Fluid Sealing : proceedings of the 11th Internat. Conference on Fluid Sealing, held at Cannes, France 8 - 10 April, 1987 / organised and sponsored by BHRA, the Fluid Engineering Centre. Ed. B. S. Nau},
  journal   = {Eleventh 11th International Conference on Fluid Sealing : proceedings of the 11th Internat. Conference on Fluid Sealing, held at Cannes, France 8 - 10 April, 1987 / organised and sponsored by BHRA, the Fluid Engineering Centre. Ed. B. S. Nau},
  publisher = {Elsevier},
  address   = {London},
  isbn      = {3-540-51383-3},
  pages     = {748 -- 772},
  year      = {1987},
  language  = {en}
}
@article{StarkeBeckmannRogosetal.1987,
  author    = {Starke, G{\"u}nther and Beckmann, L.-H. and Rogos, J. and Schmall, K-H. (u.a.)},
  title     = {Sensoren in der automatisierten Schweisstechnik},
  pages     = {61 -- 147},
  year      = {1987},
  language  = {de}
}
@article{DoerenWernicke1987,
  author    = {D{\"o}ren, Horst-Peter and Wernicke, K.},
  title     = {Slijtvaste lagen door oplassen met plasmapoeder},
  series = {Metaal en Kunststof: MK. Universeel weekblad voor fabriek en werkplaats. 24 (1987), Nr. 23},
  journal   = {Metaal en Kunststof: MK. Universeel weekblad voor fabriek en werkplaats. 24 (1987), Nr. 23},
  issn      = {0026-0460},
  pages     = {76 -- 79},
  year      = {1987},
  language  = {nl}
}
@book{KetternGruenebaumFrechen1987,
  author    = {Kettern, J{\"u}rgen and Gr{\"u}nebaum, Thomas and Frechen, Franz-Bernd},
  title     = {Standzeituntersuchungen an Kompostfiltern und Ausarbeitung von Bau- und Betriebsanleitungen f{\"u}r Erd- und Kompostfilter im Bereich von Kl{\"a}ranlagen : Abschlußbericht {\"u}ber erg{\"a}nzende Untersuchungen / Thomas Gr{\"u}nebaum; J{\"u}rgen T. Kettern; Franz-Bernd Frechen.},
  address   = {Aachen},
  pages     = {ca 180 S.},
  year      = {1987},
  language  = {de}
}