@misc{GrafGrossSponagel1987,
  author    = {Graf, G{\"u}nter and Groß, Heinz and Sponagel, Stefan},
  title     = {Verfahren zur Herstellung eines Dichtringes mit einer Dichtlippe : Patentschrift DE3621241C1 ; Ver{\"o}ffentlichungstag der Patenterteilung : 25.06.1987},
  publisher = {Deutsches Patent- und Markenamt},
  address   = {M{\"u}nchen},
  pages     = {5 S. : Ill.},
  year      = {1987},
  language  = {de}
}
@misc{SponagelGrafGross1987,
  author    = {Sponagel, Stefan and Graf, G{\"u}nter and Groß, Heinz},
  title     = {Verfahren zur Herstellung eines Dichtringes : Patentschrift DE3621242C1 ; Ver{\"o}ffentlichungstag der Patenterteilung : 25.06.1987 / Anmelder: Fa. Carl Freudenberg. Erfinder: G{\"u}nter Graf ; Heinz Groß ; Stefan Sponagel},
  publisher = {Deutsches Patent- und Markenamt},
  address   = {M{\"u}nchen},
  pages     = {5 S. : Ill.},
  year      = {1987},
  language  = {de}
}
@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}
}
@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}
}
@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}
}
@book{Dikta1987,
  author    = {Dikta, Gerhard},
  title     = {Beitr{\"a}ge zur nichtparametrischen Sch{\"a}tzung der Regressionsfunktion},
  pages     = {81 S.},
  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}
}
@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{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}
}
@incollection{DoerenPlaschkaPohl1987,
  author    = {D{\"o}ren, Horst-Peter and Plaschka, K. and Pohl, M.},
  title     = {Die Untersuchung von Schutzgasschweißdr{\"a}hten mit Hilfe des Rasterelektronenmikroskops},
  series = {Fortschritte in der Metallographie. Berichte der 7. Internationalen Metallographie-Tagung Leoben 15. bis 17. Oktober 1986. Sonderb{\"a}nde der Praktischen Metallographie. 18},
  booktitle = {Fortschritte in der Metallographie. Berichte der 7. Internationalen Metallographie-Tagung Leoben 15. bis 17. Oktober 1986. Sonderb{\"a}nde der Praktischen Metallographie. 18},
  publisher = {Riederer},
  address   = {Stuttgart},
  issn      = {0343-3579},
  pages     = {333 -- 345},
  year      = {1987},
  language  = {de}
}
@article{MootzMerschenzQuack1987,
  author    = {Mootz, D. and Merschenz-Quack, Angelika},
  title     = {Zur Kenntnis der h{\"o}chsten Hydrate der Schwefels{\"a}ure: Bildung und Struktur von H2SO4·6,5 H2O und H2SO4·8H2O},
  series = {Zeitschrift f{\"u}r Naturforschung B: Journal of chemical sciences},
  volume    = {42},
  journal   = {Zeitschrift f{\"u}r Naturforschung B: Journal of chemical sciences},
  number    = {H. 10},
  issn      = {1865-7117 (E-Journal); 0932-0776 (Print)},
  pages     = {1231 -- 1236},
  year      = {1987},
  language  = {de}
}
@article{Alt1987,
  author    = {Alt, Helmut},
  title     = {Effektivzinsberechnung bei industriellen oder gewerblichen Tilgungsdarlehen},
  series = {Elektrizit{\"a}tswirtschaft},
  volume    = {Bd. 86},
  journal   = {Elektrizit{\"a}tswirtschaft},
  issn      = {0013-5496},
  pages     = {592 -- 595},
  year      = {1987},
  language  = {de}
}
@article{Alt1987,
  author    = {Alt, Helmut},
  title     = {Steuersenkungs-Erweiterungsgesetz 1988 zur Gesamtentlastung der Einkommensteuer},
  series = {Betriebs-Berater : BB ; Zeitschrift f{\"u}r Recht und Wirtschaft},
  volume    = {Vol. 42},
  journal   = {Betriebs-Berater : BB ; Zeitschrift f{\"u}r Recht und Wirtschaft},
  number    = {H. 32},
  issn      = {0340-7918},
  pages     = {2207 -- 2208},
  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{JahnkeBaumann1987,
  author    = {Jahnke, J. and Baumann, Marcus},
  title     = {Differentiation between Phaeocystis pouchetii (Har.) Lagerheim and Phaeocystis globosa Scherffel},
  series = {Hydrobiological bulletin},
  volume    = {Vol. 21},
  journal   = {Hydrobiological bulletin},
  number    = {Iss. 2},
  issn      = {0165-1404 (Print); 1573-5125 (E-Journal)},
  pages     = {141 -- 147},
  year      = {1987},
  language  = {en}
}
@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{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{LaackAlbrechtCasser1987,
  author    = {Laack, Walter van and Albrecht, T. and Casser, H. R.},
  title     = {Ultraschalltherapie in der Praxis},
  series = {Physikalische Therapie in Theorie und Praxis},
  volume    = {8},
  journal   = {Physikalische Therapie in Theorie und Praxis},
  number    = {10},
  isbn      = {0178-9201},
  pages     = {628 -- 631},
  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}
}
@article{Staat1987,
  author    = {Staat, Manfred},
  title     = {Anisotrope Wellenausbreitung in isotropen hyperelastischen Scheiben},
  series = {Zeitschrift f{\"u}r angewandte Mathematik und Mechanik : ZAMM. 67 (1987), H. 4},
  journal   = {Zeitschrift f{\"u}r angewandte Mathematik und Mechanik : ZAMM. 67 (1987), H. 4},
  isbn      = {0946-8463},
  pages     = {T241 -- T243},
  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}
}
@article{LaackOhnsorge1987,
  author    = {Laack, Walter van and Ohnsorge, J.},
  title     = {Technik und Ergebnisse der arthroskopischen Fixation von Dissekaten an der medialen Femurrolle mit resorbierbaren EthipinR-Stiften},
  series = {Abstracts : SICOT 87, XVII. world congress, Munich, 16 - 21 August 1987 / [ed.: H. Wagner]},
  journal   = {Abstracts : SICOT 87, XVII. world congress, Munich, 16 - 21 August 1987 / [ed.: H. Wagner]},
  publisher = {Demeter},
  address   = {Gr{\"a}felfing},
  isbn      = {3-921512-85-9},
  pages     = {277},
  year      = {1987},
  language  = {de}
}
@article{AnikFrohberg1987,
  author    = {Anik, Sabri and Frohberg, Martin G.},
  title     = {Thermodynamics and solubility of oxygen in liquid bismuth-lead and bismuth-antimony alloys},
  series = {Berichte der Bunsengesellschaft f{\"u}r physikalische Chemie},
  volume    = {91},
  journal   = {Berichte der Bunsengesellschaft f{\"u}r physikalische Chemie},
  number    = {7},
  issn      = {0940-483X},
  pages     = {790 -- 794},
  year      = {1987},
  language  = {en}
}
@article{Laack1987,
  author    = {Laack, Walter van},
  title     = {Tennisarm - Ursachen und Behandlung},
  series = {Apotheker-Journal . 9 (1987), H. 2},
  journal   = {Apotheker-Journal . 9 (1987), H. 2},
  isbn      = {0720-1028},
  pages     = {42},
  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{Stulpe1987,
  author    = {Stulpe, Werner},
  title     = {Conditional Expectations and Stochastic Processes in Quantum Probability},
  series = {Information complexity and control in quantum physics : proceedings of the 4. Internat. Seminar on Mathematical Theory of Dynamical Systems and Microphysics, Udine, Sept. 4 - 13, 1985 / ed. by A. Blaquiere ...},
  journal   = {Information complexity and control in quantum physics : proceedings of the 4. Internat. Seminar on Mathematical Theory of Dynamical Systems and Microphysics, Udine, Sept. 4 - 13, 1985 / ed. by A. Blaquiere ...},
  publisher = {Springer},
  address   = {Wien [u.a.]},
  isbn      = {3-211-81992-4},
  pages     = {223 -- 234},
  year      = {1987},
  language  = {en}
}
@article{WangAnikFrohberg1987,
  author    = {Wang, Mao and Anik, Sabri and Frohberg, Martin G.},
  title     = {Thermodynamics of oxygen in the lead-antimony system at 1173 K},
  series = {Erzmetall : Rohstoffgewinnung, Verarbeitung, Recycling, Umwelttechnik},
  volume    = {40},
  journal   = {Erzmetall : Rohstoffgewinnung, Verarbeitung, Recycling, Umwelttechnik},
  number    = {6},
  issn      = {0044-2658},
  pages     = {316 -- 319},
  year      = {1987},
  language  = {en}
}
@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{LaackAlbrecht1987,
  author    = {Laack, Walter van and Albrecht, T.},
  title     = {Ultraschalltherapie in der Praxis},
  series = {ZFA - Zeitschrift f{\"u}r Allgemeinmedizin},
  volume    = {63},
  journal   = {ZFA - Zeitschrift f{\"u}r Allgemeinmedizin},
  number    = {19},
  isbn      = {0341-9835},
  pages     = {605 -- 608},
  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{LaackRefisch1987,
  author    = {Laack, Walter van and Refisch, A.},
  title     = {Beeinflussen Beinhalter die Knieseitenbandstabilit{\"a}t bei der Arthroskopie?},
  series = {Orthop{\"a}dische Praxis. 23 (1987)},
  journal   = {Orthop{\"a}dische Praxis. 23 (1987)},
  isbn      = {0030-588x},
  pages     = {434},
  year      = {1987},
  language  = {de}
}
@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}
}
@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{KernZischank1988,
  author    = {Kern, Alexander and Zischank, Wolfgang J.},
  title     = {Melting effects on metal sheets and air termination wires caused by direct lightning strikes},
  series = {Conference proceedings : Graz, {\"O}sterreich, 25. - 29. April 1988 / Gesamtorganisation: {\"O}sterr. Verb. f{\"u}r Elektrotechnik ({\"O}VE), Fachausschuß Blitzschutz ... [Red.: G. Diendorfer ...]},
  journal   = {Conference proceedings : Graz, {\"O}sterreich, 25. - 29. April 1988 / Gesamtorganisation: {\"O}sterr. Verb. f{\"u}r Elektrotechnik ({\"O}VE), Fachausschuß Blitzschutz ... [Red.: G. Diendorfer ...]},
  publisher = {Eigenverl. des {\"O}VE},
  address   = {Wien},
  isbn      = {3-85133-001-3},
  year      = {1988},
  language  = {en}
}
@article{KrauseFruth1988,
  author    = {Krause, Gregor and Fruth, B.},
  title     = {Dielectric Properties of Polyolefins Stressed by High Electrical Fields / Fruth, B. ; Krause, G.},
  series = {Plenary lectures and contributions presented at the International Symposium on Polymer Materials : held in San Sebastian (Donostia), Spain, 31 August - 4 September, 1987 / symposium ed. G. M. Guzm{\´a}n ; A. Santamaria},
  journal   = {Plenary lectures and contributions presented at the International Symposium on Polymer Materials : held in San Sebastian (Donostia), Spain, 31 August - 4 September, 1987 / symposium ed. G. M. Guzm{\´a}n ; A. Santamaria},
  publisher = {Huethig \& Wepf},
  address   = {Basel},
  isbn      = {3-85739-220-7},
  pages     = {XIV, 629 S.},
  year      = {1988},
  language  = {en}
}
@article{KrauseSchuppeSaureetal.1988,
  author    = {Krause, Gregor and Schuppe, W.D. and Saure, M. and Andress, H.},
  title     = {Sensitive Analytical and Physical Methods for Diagnosis of Variations in Polyolefin Plaques and Cable Insulations / W.D. Schuppe, M. Saure, H. Andress, K. M{\"o}ller, D. Meurer, G. Krause},
  series = {Proceedings of the 32nd session : 28th August - 3rd September.},
  journal   = {Proceedings of the 32nd session : 28th August - 3rd September.},
  year      = {1988},
  language  = {en}
}
@article{KrauseMeurerKlee1988,
  author    = {Krause, Gregor and Meurer, D. and Klee, D.},
  title     = {Space Charge Formation Related to the Morphology of Polymers},
  series = {ISE 6 : 6th International symposium on electrets : Papers},
  journal   = {ISE 6 : 6th International symposium on electrets : Papers},
  publisher = {IEEE},
  address   = {Piscataway, NY},
  pages     = {XIX, 688 S. : graph. Darst.},
  year      = {1988},
  language  = {en}
}
@article{KrauseFruthKrauseetal.1988,
  author    = {Krause, Gregor and Fruth, Bernhard and Krause, Gregor and Meurer, D.},
  title     = {Einfluß der Verarbeitungsverfahren und verarbeitungsbedingter Werkstoffzus{\"a}tze auf die dielektrischen Eigenschaften von Kunststoffen / B. Fruth, G. Krause, D. Meurer, K. M{\"o}ller},
  address   = {Aachen},
  year      = {1988},
  language  = {de}
}
@article{SiepmannPfeifferTeichmann1988,
  author    = {Siepmann, Thomas and Pfeiffer, J. and Teichmann, W.},
  title     = {Expertensystem zur spanenden Bearbeitung},
  series = {Technische Mitteilungen Krupp (1988)},
  journal   = {Technische Mitteilungen Krupp (1988)},
  address   = {Essen},
  year      = {1988},
  language  = {de}
}
@book{MaetherHegewald1988,
  author    = {Maether, Christiane and Hegewald, Ulf},
  title     = {Bild und Vorbild : Studenten der Fachhochschule Aachen zeichnen und malen im Suermondt-Ludwig-Museum unter der Leitung von Prof. Christiane Maether und Prof. Dr. Ulf Hegewald},
  address   = {Aachen},
  pages     = {77 S. : nur Ill.},
  year      = {1988},
  language  = {de}
}
@article{SammFaissnerGoettlicheretal.1988,
  author    = {Samm, Doris and Faissner, H. and G{\"o}ttlicher, P. and Matela, H.},
  title     = {Suche nach skalaren und pseudoskalaren Teilchen am Kernreaktor Merlin der KFA Juelich / Faissner, H.; Goettlicher, P.; Matela, H.; Samm, D.},
  series = {Verhandlungen der Deutschen Physikalischen Gesellschaft. 23 (1988), H. 5},
  journal   = {Verhandlungen der Deutschen Physikalischen Gesellschaft. 23 (1988), H. 5},
  year      = {1988},
  language  = {de}
}
@article{Muehl1988,
  author    = {M{\"u}hl, Thomas},
  title     = {Berechnung von Lichtintensit{\"a}tsverteilungen in streuenden Medien},
  pages     = {129 S. : Ill., graph. Darst.},
  year      = {1988},
  language  = {de}
}
@article{Grap1988,
  author    = {Grap, Rolf Dietmar},
  title     = {Computersimulationsmodelle zur Qualifizierung und Beurteilung von F{\"u}hrungskr{\"a}ften},
  series = {Jahresdokumentation ... der Gesellschaft f{\"u}r Arbeitswissenschaft e.V..},
  journal   = {Jahresdokumentation ... der Gesellschaft f{\"u}r Arbeitswissenschaft e.V..},
  publisher = {Schmidt},
  address   = {K{\"o}ln},
  year      = {1988},
  language  = {de}
}
@article{Frings1988,
  author    = {Frings, Michael},
  title     = {Gerichtsstand bei Wohnraumvermittlung zum Zweck der Weitervermietung, LG-Aachen},
  series = {Neue juristische Wochenschrift : NJW / NJW-Rechtsprechungs-Report Zivilrecht : NJW-RR (1988)},
  journal   = {Neue juristische Wochenschrift : NJW / NJW-Rechtsprechungs-Report Zivilrecht : NJW-RR (1988)},
  isbn      = {0179-4043},
  pages     = {914},
  year      = {1988},
  language  = {de}
}
@book{BlomeHoellPriester1988,
  author    = {Blome, Hans-Joachim and Hoell, Josef and Priester, Wolfgang},
  title     = {Neue Aspekte der Kosmologie},
  publisher = {Inst. f{\"u}r Astrophysik},
  address   = {Bonn},
  pages     = {100 S : graph. Darst.},
  year      = {1988},
  language  = {de}
}
@article{PietschVogel1988,
  author    = {Pietsch, Wolfram and Vogel, R.},
  title     = {Ein Expertensystem f{\"u}r die Konfigurierung von Personal Computern / Pietsch, W. Vogel, R.},
  series = {Proceedings : Symposium an der Universit{\"a}t Gesamthochschule Duisburg, 18./19.2.1988 / 2. Anwender-Forum Expertensysteme / Cremers, Armin B.},
  journal   = {Proceedings : Symposium an der Universit{\"a}t Gesamthochschule Duisburg, 18./19.2.1988 / 2. Anwender-Forum Expertensysteme / Cremers, Armin B.},
  publisher = {Univ.-Pressestelle},
  address   = {Wuppertal},
  pages     = {404 -- 424},
  year      = {1988},
  language  = {de}
}
@article{PietschKurbel1988,
  author    = {Pietsch, Wolfram and Kurbel, K.},
  title     = {Projektmanagement bei einer Expertensystementwicklung / Kurbel, K., Pietsch, W.},
  series = {Information management : IM ; Praxis, Ausbildung u. Forschung d. Wirtschaftsinformatik. 3 (1988), H. 1},
  journal   = {Information management : IM ; Praxis, Ausbildung u. Forschung d. Wirtschaftsinformatik. 3 (1988), H. 1},
  isbn      = {0930-5181},
  pages     = {6 -- 13},
  year      = {1988},
  language  = {de}
}
@article{Starke1988,
  author    = {Starke, G{\"u}nther},
  title     = {Auftragsbezogene Fertigung beim Schutzgasschweissen mit Robotern durch Einsatz flexibler Fertigungssysteme},
  series = {DVS-Berichte. 118 (1988)},
  journal   = {DVS-Berichte. 118 (1988)},
  isbn      = {0418-9639},
  pages     = {27 -- 31},
  year      = {1988},
  language  = {de}
}
@article{Starke1988,
  author    = {Starke, G{\"u}nther},
  title     = {Einsatzmoeglichkeiten des Roboterschweissens im Behaelterbau},
  series = {DVS-Berichte. 115 (1988)},
  journal   = {DVS-Berichte. 115 (1988)},
  isbn      = {0418-9639},
  pages     = {38 -- 43},
  year      = {1988},
  language  = {de}
}
@article{BlomeKundt1988,
  author    = {Blome, Hans-Joachim and Kundt, Wolfgang},
  title     = {Leptonic jets from young stellar objects?},
  series = {Astrophysics and Space Science. 148 (1988), H. 2},
  journal   = {Astrophysics and Space Science. 148 (1988), H. 2},
  isbn      = {0004-640X},
  pages     = {343 -- 361},
  year      = {1988},
  language  = {en}
}