@article{Zastrow1985,
  author    = {Zastrow, Udo},
  title     = {On the complete system of fundamental solutions for anisotropic slices and slabs: A comparison by use of the slab analogy},
  series = {Journal of Elasticity. 15 (1985), H. 3},
  journal   = {Journal of Elasticity. 15 (1985), H. 3},
  isbn      = {1573-2681},
  pages     = {293 -- 318},
  year      = {1985},
  language  = {en}
}
@article{Zastrow1985,
  author    = {Zastrow, Udo},
  title     = {Basic geometrical singularities in plane-elasticity and plate-bending problems},
  series = {International Journal of Solids and Structures. 21 (1985), H. 10},
  journal   = {International Journal of Solids and Structures. 21 (1985), H. 10},
  isbn      = {0020-7683},
  pages     = {1047 -- 1067},
  year      = {1985},
  language  = {en}
}
@article{Zastrow1985,
  author    = {Zastrow, Udo},
  title     = {Numerical plane stress analysis by integral equations based on the singularity method},
  series = {SM archives . 10 (1985)},
  journal   = {SM archives . 10 (1985)},
  isbn      = {0376-7426},
  pages     = {113 -- 128},
  year      = {1985},
  language  = {en}
}
@article{Zastrow1985,
  author    = {Zastrow, Udo},
  title     = {Zum System der Einflußfunktionen f{\"u}r die unendliche anisotrope Scheibe mit statischen und geometrischen Singularit{\"a}ten},
  series = {Archive of Applied Mechanics - Ingenieur Archiv. 55 (1985), H. 2},
  journal   = {Archive of Applied Mechanics - Ingenieur Archiv. 55 (1985), H. 2},
  isbn      = {1432-0681},
  pages     = {124 -- 133},
  year      = {1985},
  language  = {de}
}
@article{Alt1985,
  author    = {Alt, Helmut},
  title     = {Vorteilsausgleich durch Versorgungsunternehmen f{\"u}r Ersatzleistungen Dritter},
  series = {Elektrizit{\"a}tswirtschaft},
  volume    = {Jg. 104},
  journal   = {Elektrizit{\"a}tswirtschaft},
  issn      = {0013-5496},
  pages     = {440 -- 443},
  year      = {1985},
  language  = {de}
}
@article{Alt1985,
  author    = {Alt, Helmut},
  title     = {Multiplikativ oder additiv? Diskussionsbeitrag zu Preisanpassungsklauseln in der Gaswirtschaft},
  series = {Energiewirtschaftliche Tagesfragen : et ; Zeitschrift f{\"u}r Energiewirtschaft, Recht, Technik und Umwelt},
  volume    = {Jg. 35},
  journal   = {Energiewirtschaftliche Tagesfragen : et ; Zeitschrift f{\"u}r Energiewirtschaft, Recht, Technik und Umwelt},
  issn      = {0013-743X},
  pages     = {609 -- 611},
  year      = {1985},
  language  = {de}
}
@article{Siepmann1986,
  author    = {Siepmann, Thomas},
  title     = {Abschlußbericht zum Vorhaben Nr. 22/IV},
  series = {Forschungsvereinigung Antriebstechnik: Forschungsreport},
  journal   = {Forschungsvereinigung Antriebstechnik: Forschungsreport},
  publisher = {FVA},
  address   = {Frankfurt/M.},
  year      = {1986},
  language  = {de}
}
@article{HagemannGeittnerWarnieretal.1986,
  author    = {Hagemann, Hans-J{\"u}rgen and Geittner, P. and Warnier, J. and Wilson, H.},
  title     = {PCVD at high deposition rates. Geittner, P.; Hagemann, H. J.; Warnier, J.; Wilson, H.},
  series = {Journal of Lightwave Technology (J-LT) / Institute of Electrical and Electronics Engineers (IEEE). 4 (1986), H. 7},
  journal   = {Journal of Lightwave Technology (J-LT) / Institute of Electrical and Electronics Engineers (IEEE). 4 (1986), H. 7},
  isbn      = {0733-8724},
  pages     = {818 -- 822},
  year      = {1986},
  language  = {en}
}
@article{Alt1986,
  author    = {Alt, Helmut},
  title     = {Steuersenkungsgesetz-Auswirkungen und Berechnung},
  series = {Elektrizit{\"a}tswirtschaft},
  volume    = {Jg. 85},
  journal   = {Elektrizit{\"a}tswirtschaft},
  issn      = {0013-5496},
  pages     = {238 -- 242},
  year      = {1986},
  language  = {de}
}
@article{Alt1986,
  author    = {Alt, Helmut},
  title     = {Dialoggesteuerte harmonische Analyse mit dem HP 41},
  series = {Elektrizit{\"a}tswirtschaft},
  volume    = {Bd. 85},
  journal   = {Elektrizit{\"a}tswirtschaft},
  number    = {H. 4},
  issn      = {0013-5496},
  pages     = {139 -- 142},
  year      = {1986},
  language  = {de}
}
@article{Alt1986,
  author    = {Alt, Helmut},
  title     = {Dialoggesteuerte harmonische Analyse mit dem HP 41},
  series = {Elektrow{\"a}rme international Edition B : Industrielle Elektrow{\"a}rme : IEW = Industrial applications of electro-heat : EWI ; Zeitschr. f{\"u}r das gesamte Gebiet der Elektrow{\"a}rme in Industrie, Gewerbe und Haushalt},
  volume    = {Jg. 44},
  journal   = {Elektrow{\"a}rme international Edition B : Industrielle Elektrow{\"a}rme : IEW = Industrial applications of electro-heat : EWI ; Zeitschr. f{\"u}r das gesamte Gebiet der Elektrow{\"a}rme in Industrie, Gewerbe und Haushalt},
  number    = {H. 6},
  issn      = {0340-3521},
  pages     = {283 -- 287},
  year      = {1986},
  language  = {de}
}
@article{Alt1986,
  author    = {Alt, Helmut},
  title     = {Dialoggesteuerte Spannungs- und Belastungsberechnung im Netz eines Elektrizit{\"a}tsversorgungsunternehmens},
  series = {Elektrizit{\"a}tswirtschaft},
  volume    = {Bd. 85},
  journal   = {Elektrizit{\"a}tswirtschaft},
  number    = {H. 23},
  issn      = {0013-5496},
  pages     = {906 -- 910},
  year      = {1986},
  language  = {de}
}
@article{KrauseFruth1987,
  author    = {Krause, Gregor and Fruth, Bernhard},
  title     = {Dielectric Properties of Polyolefins Stressed by High Electrical Fields. Fruth, B. ; Krause, G.},
  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}
}
@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{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{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}
}
@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{HagemannGeittnerLydtinetal.1988,
  author    = {Hagemann, Hans-J{\"u}rgen and Geittner, P. and Lydtin, H. and Warnier, J.},
  title     = {Hybrid technology for large SM-fiber preforms. Geittner, P.; Hagemann, H. J.; Lydtin, H.; Warnier, J.},
  series = {Journal of Lightwave Technology (J-LT) / Institute of Electrical and Electronics Engineers (IEEE). 6 (1988), H. 10},
  journal   = {Journal of Lightwave Technology (J-LT) / Institute of Electrical and Electronics Engineers (IEEE). 6 (1988), H. 10},
  isbn      = {0733-8724},
  pages     = {1451 -- 1454},
  year      = {1988},
  language  = {en}
}
@article{Mayer1988,
  author    = {Mayer, Claudia},
  title     = {Von »Unterbrechungen« und »Engf{\"u}hrungen«. Lyrik und Prosa in Butt und R{\"a}ttin},
  series = {G{\"u}nter Grass},
  journal   = {G{\"u}nter Grass},
  publisher = {Ed. Text + Kritik},
  address   = {M{\"u}nchen},
  isbn      = {3-88377-285-2},
  pages     = {84 -- 92},
  year      = {1988},
  language  = {de}
}
@article{ZastrowHackl1988,
  author    = {Zastrow, Udo and Hackl, Klaus},
  title     = {On the existence, uniqueness and completeness of displacements and stress functions in linear elasticity / Hackl, Klaus ; Zastrow, Udo},
  series = {Journal of Elasticity. 19 (1988), H. 1},
  journal   = {Journal of Elasticity. 19 (1988), H. 1},
  isbn      = {1573-2681},
  pages     = {3 -- 23},
  year      = {1988},
  language  = {en}
}
@article{KrauseSchuppeSaureetal.1989,
  author    = {Krause, Gregor and Schuppe, W.D. and Saure, M. and Andress, H.},
  title     = {Sensitive Analytische und Physikalische Verfahren zum Nachweis von Ver{\"a}nderungen in Platten und Kabelisolierungen aus Polyolefinen / W.D. Schuppe, M. Saure, H. Andress, K. M{\"o}ller, D. Meurer, G. Krause},
  series = {AEG Technische Mitteilungen (1989)},
  journal   = {AEG Technische Mitteilungen (1989)},
  year      = {1989},
  language  = {de}
}
@article{KrauseGoettlichMoelleretal.1989,
  author    = {Krause, Gregor and G{\"o}ttlich, S. and M{\"o}ller, K. and Meurer, D.},
  title     = {Space Charge Phenomena in Partially Crystalline Polymers: On-Line Measurement of Charge Carrier Motion under High AC-Field Strength / G. Krause, S. G{\"o}ttlich, K. M{\"o}ller, D. Meurer},
  series = {Proceedings of the 3rd International Conference on Conduction and Breakdown in Solid Dielectrics : Trondheim, Norway ... 1989},
  journal   = {Proceedings of the 3rd International Conference on Conduction and Breakdown in Solid Dielectrics : Trondheim, Norway ... 1989},
  publisher = {IEEE},
  address   = {Piscataway, N.J.},
  pages     = {IX, 607 S.},
  year      = {1989},
  language  = {en}
}
@article{KrauseMoellerMeurer1989,
  author    = {Krause, Gregor and M{\"o}ller, K. and Meurer, D.},
  title     = {Dielectric phenomena in semicrystalline polymers},
  series = {IEEE Transaction on Electrical Insulation. Vol. 24 (1989), H. No. 2},
  journal   = {IEEE Transaction on Electrical Insulation. Vol. 24 (1989), H. No. 2},
  pages     = {215 -- 222},
  year      = {1989},
  language  = {en}
}
@article{KrauseMeurerKlee1989,
  author    = {Krause, Gregor and Meurer, D. and Klee, D.},
  title     = {Space charge formation related to the morphology of polymers},
  series = {IEEE Transaction on Electrical Insulation. Vol. 24 (1989), H. No. 3},
  journal   = {IEEE Transaction on Electrical Insulation. Vol. 24 (1989), H. No. 3},
  pages     = {215 -- 222},
  year      = {1989},
  language  = {en}
}
@article{SammFaissnerHeinrigsetal.1989,
  author    = {Samm, Doris and Faissner, H. and Heinrigs, W. and Preussger, A.},
  title     = {Search for the two-photon decay of a light penetrating particle from a 590 MeV proton beam dump / Faissner, H.; Heinrigs, W.; Preussger, A.; Reitz, J.; Samm, D. [u.a.]},
  series = {Zeitschrift f{\"u}r Physik, C Particles and Fields. 44 (1989), H. 4},
  journal   = {Zeitschrift f{\"u}r Physik, C Particles and Fields. 44 (1989), H. 4},
  pages     = {557 -- 566},
  year      = {1989},
  language  = {en}
}
@article{HagemannGeittnerLeers1989,
  author    = {Hagemann, Hans-J{\"u}rgen and Geittner, P. and Leers, D.},
  title     = {Intrinsic scattering and absorption losses of Ge- and F-doped optical fibres prepared by PCVD. Geittner, P.; Hagemann, H. J. ; Leers, D.},
  series = {Electronics letters : an intern. publication / The Institution of Electrical Engineers. 25 (1989), H. 7},
  journal   = {Electronics letters : an intern. publication / The Institution of Electrical Engineers. 25 (1989), H. 7},
  isbn      = {0013-5194},
  pages     = {436 -- 437},
  year      = {1989},
  language  = {en}
}
@article{HagemannGeittnerSchnittkeretal.1989,
  author    = {Hagemann, Hans-J{\"u}rgen and Geittner, P. and Schnittker, W. and Warnier, J.},
  title     = {Abscheidegeschwindigkeiten und Prozeßausbeuten im PCVD-Verfahren. Geittner, P.; Hagemann, H. J.; Schnittker, W.; Warnier, J.; Weling, F.; Wilson, H.},
  series = {Philips - Unsere Forschung in Deutschland / Hrsg.: Philips Forschungslaboratorium GmbH Aachen und Hamburg. 4 (1989)},
  journal   = {Philips - Unsere Forschung in Deutschland / Hrsg.: Philips Forschungslaboratorium GmbH Aachen und Hamburg. 4 (1989)},
  pages     = {140 -- 143},
  year      = {1989},
  language  = {de}
}
@article{Hagemann1989,
  author    = {Hagemann, Hans-J{\"u}rgen},
  title     = {St{\"o}rstellengleichgewichte in eisendotierten Titanaten. Hagemann, H. J.},
  series = {Philips - Unsere Forschung in Deutschland / Hrsg.: Philips Forschungslaboratorium GmbH Aachen und Hamburg. 4 (1989)},
  journal   = {Philips - Unsere Forschung in Deutschland / Hrsg.: Philips Forschungslaboratorium GmbH Aachen und Hamburg. 4 (1989)},
  pages     = {170 -- 172},
  year      = {1989},
  language  = {de}
}
@article{Mayer1989,
  author    = {Mayer, Claudia},
  title     = {Elf Tage Schweigen. Bericht zu Buddhismus und Meditation in Thailand},
  series = {Frankfurter Allgemeine Zeitung (1989)},
  journal   = {Frankfurter Allgemeine Zeitung (1989)},
  pages     = {R5 -- R6},
  year      = {1989},
  language  = {de}
}
@article{Alt1989,
  author    = {Alt, Helmut},
  title     = {Steuerreformgesetz 1990},
  series = {Elektrizit{\"a}tswirtschaft},
  volume    = {Bd. 88},
  journal   = {Elektrizit{\"a}tswirtschaft},
  number    = {H. 1/2},
  issn      = {0013-5496},
  pages     = {78 -- 83},
  year      = {1989},
  language  = {de}
}
@article{Alt1989,
  author    = {Alt, Helmut},
  title     = {Steuerreformgesetz 1990},
  series = {Elektrizit{\"a}tswirtschaft},
  volume    = {Jg. 88},
  journal   = {Elektrizit{\"a}tswirtschaft},
  number    = {H. 2},
  issn      = {0947-0581 (E-Journal); 0340-7918 (Print)},
  pages     = {120 -- 121},
  year      = {1989},
  language  = {de}
}
@article{Alt1989,
  author    = {Alt, Helmut},
  title     = {Die Bedeutung des Effektivzinses in der Finanzwirtschaft},
  series = {Betriebs-Berater : BB : Beil. 14 Finanz-Berater},
  journal   = {Betriebs-Berater : BB : Beil. 14 Finanz-Berater},
  issn      = {0340-7926},
  pages     = {31 -- 32},
  year      = {1989},
  language  = {de}
}
@article{Alt1989,
  author    = {Alt, Helmut},
  title     = {Einfluß der Kontof{\"u}hrungsmodelle auf den Effektivzins und die Restschuld bei Annuit{\"a}tendarlehen},
  series = {Betriebs-Berater : BB : Beil. 14 Finanz-Berater},
  journal   = {Betriebs-Berater : BB : Beil. 14 Finanz-Berater},
  issn      = {0340-7926},
  pages     = {32 -- 37},
  year      = {1989},
  language  = {de}
}
@article{KrauseNeubertPietsch1990,
  author    = {Krause, Gregor and Neubert, R. and Pietsch, R.},
  title     = {Investigations of Electrical Aging in Polymers under High AC-Field Strength},
  series = {1990 annual report : October 28 - October 31, 1990 / sponsored by the IEEE Dielectrics and Electrical Insulation Society},
  journal   = {1990 annual report : October 28 - October 31, 1990 / sponsored by the IEEE Dielectrics and Electrical Insulation Society},
  publisher = {IEEE Service Center},
  address   = {Piscataway, N.J},
  pages     = {716 S : Ill., graph. Darst.},
  year      = {1990},
  language  = {en}
}
@article{SammBosetti1990,
  author    = {Samm, Doris and Bosetti, P.-C.},
  title     = {Testmessungen an einem grossflaechigen (Durchmesser 35 cm) Photomultiplier Test measurements of a large-area (diameter 35 cm) photomultiplier / Bosetti, P.-C.; ... Samm, D. [u.a.]},
  series = {Verhandlungen der Deutschen Physikalischen Gesellschaft. 25 (1990), H. 1},
  journal   = {Verhandlungen der Deutschen Physikalischen Gesellschaft. 25 (1990), H. 1},
  pages     = {33 -- 33},
  year      = {1990},
  language  = {en}
}
@article{SammBosetti1990,
  author    = {Samm, Doris and Bosetti, P.-C.},
  title     = {DUMAND und die Suche nach extraterrestrischen Neutrinos / DUMAND and the search for extraterrestrial neutrinos / Bosetti, P.-C.; ... Samm, D. [u.a.]},
  series = {Verhandlungen der Deutschen Physikalischen Gesellschaft. 25 (1990), H. 1},
  journal   = {Verhandlungen der Deutschen Physikalischen Gesellschaft. 25 (1990), H. 1},
  pages     = {88 -- 88},
  year      = {1990},
  language  = {en}
}
@article{HagemannUngelenkWiechert1990,
  author    = {Hagemann, Hans-J{\"u}rgen and Ungelenk, J. and Wiechert, D. U.},
  title     = {Optical time domain reflectometry (OTDR) of diameter modulations in single-mode fibers. Hagemann, H. J.; Ungelenk, J.; Wiechert, D. U.},
  series = {Journal of Lightwave Technology (J-LT) / Institute of Electrical and Electronics Engineers (IEEE). 8 (1990), H. 11},
  journal   = {Journal of Lightwave Technology (J-LT) / Institute of Electrical and Electronics Engineers (IEEE). 8 (1990), H. 11},
  isbn      = {0733-8724},
  pages     = {1641 -- 1645},
  year      = {1990},
  language  = {en}
}
@article{HagemannGeittner1990,
  author    = {Hagemann, Hans-J{\"u}rgen and Geittner, P.},
  title     = {PCVD hybrid technology for single mode fibres. Hagemann, H. J.; Geittner, P.},
  series = {Proceedings : papers presented at: the 8th Annual European Fibre Optic Communications and Local Area Networks Exposition},
  journal   = {Proceedings : papers presented at: the 8th Annual European Fibre Optic Communications and Local Area Networks Exposition},
  pages     = {67 -- 72},
  year      = {1990},
  language  = {en}
}
@article{Mayer1990,
  author    = {Mayer, Claudia},
  title     = {Das Ich ist eine Illusion},
  series = {Deutsches Allgemeines Sonntagsblatt (1990)},
  journal   = {Deutsches Allgemeines Sonntagsblatt (1990)},
  pages     = {16 -- 16},
  year      = {1990},
  language  = {de}
}
@article{Mayer1990,
  author    = {Mayer, Claudia},
  title     = {Bali. Bl{\"u}teninsel im Indischen Ozean. Reisebericht},
  series = {Fliegende Bl{\"a}tter / Condor (1990)},
  journal   = {Fliegende Bl{\"a}tter / Condor (1990)},
  pages     = {61 -- 64},
  year      = {1990},
  language  = {de}
}
@article{Alt1990,
  author    = {Alt, Helmut},
  title     = {Energietarifstruktur in Ostdeutschland},
  series = {Energiewirtschaftliche Tagesfragen : et ; Zeitschrift f{\"u}r Energiewirtschaft, Recht, Technik und Umwelt},
  volume    = {Bd. 40},
  journal   = {Energiewirtschaftliche Tagesfragen : et ; Zeitschrift f{\"u}r Energiewirtschaft, Recht, Technik und Umwelt},
  number    = {H. 11},
  issn      = {0013-743X},
  pages     = {782 -- 788},
  year      = {1990},
  language  = {de}
}
@article{HeuermannSchiek1991,
  author    = {Heuermann, Holger and Schiek, Burkhard},
  title     = {Robuster Algorithmus zur Streuparameterbestimmung f{\"u}r systemfehlerkorrigierte Netzwerkanalysatoren},
  series = {Kleinheubacher Berichte : Vortr{\"a}ge und Berichte der gemeinsamen Tagung des U.R.S.I.-Landesausschusses in der Bundesrepublik Deutschland / Hrsg.: Deutsche Telekom AG. 35. 1991 (1991)},
  journal   = {Kleinheubacher Berichte : Vortr{\"a}ge und Berichte der gemeinsamen Tagung des U.R.S.I.-Landesausschusses in der Bundesrepublik Deutschland / Hrsg.: Deutsche Telekom AG. 35. 1991 (1991)},
  pages     = {555 -- 556},
  year      = {1991},
  language  = {de}
}
@article{Krause1991,
  author    = {Krause, Gregor},
  title     = {High Field Phenomena of Polymeric Insulation Investigated at PE Needle-Plane Specimen},
  series = {Seventh International Symposium on High Voltage Engineering : Dresden, August 26 - 30, 1991 / Technische Universit{\"a}t Dresden},
  journal   = {Seventh International Symposium on High Voltage Engineering : Dresden, August 26 - 30, 1991 / Technische Universit{\"a}t Dresden},
  publisher = {TU Dresden},
  address   = {Dresden},
  year      = {1991},
  language  = {en}
}