@book{Harder1990,
  author    = {Harder, J{\"o}rn},
  title     = {Zur Messung von Werkstoffparametern im Torsionsschwingversuch},
  address   = {Braunschweig},
  pages     = {90 S.},
  year      = {1990},
  language  = {de}
}
@article{StaatWoltersBongartsetal.1990,
  author    = {Staat, Manfred and Wolters, J and Bongarts, W. and Hennings, W. (u.a.)},
  title     = {{\"U}berarbeitete probabilistisch orientierte Sicherheitsanalyse f{\"u}r den HTR-Modul},
  series = {Jahrestagung Kerntechnik '90 / Kerntechnische Gesellschaft e.V. ; Deutsches Atomforum e.V},
  journal   = {Jahrestagung Kerntechnik '90 / Kerntechnische Gesellschaft e.V. ; Deutsches Atomforum e.V},
  publisher = {INFORUM},
  address   = {Bonn},
  pages     = {143 -- 146},
  year      = {1990},
  language  = {de}
}
@book{Ley1990,
  author    = {Ley, Wilfried},
  title     = {Seilgefesselte Raumflugk{\"o}rper, -Tethertechnik- : Gemeinschaftsveranstaltung der FH Aachen und der DGLR ... / 3. Raumfahrt-Kolloquium an der Fachhochschule Aachen, 13. Dezember 1990. [Wiss. Programmleitung: W. Ley, W. Hallmann]},
  publisher = {DGLR},
  address   = {Bonn},
  isbn      = {3-922010-59-8},
  pages     = {Getr. Z{\"a}hl. : graph. Darst.},
  year      = {1990},
  language  = {de}
}
@book{Koehler1990,
  author    = {K{\"o}hler, Bernd},
  title     = {Werkstofftechnologie der Luft- und Raumfahrt. Teil 3: HT-Superlegierungen},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-89653-863-2},
  pages     = {191 S. : graph. Darst.},
  year      = {1990},
  language  = {de}
}
@book{Koehler1990,
  author    = {K{\"o}hler, Bernd},
  title     = {Werkstofftechnologie der Luft- und Raumfahrt. Teil 4 : Sonderwerkstoffe. -2. Aufl.},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-89653-864-6},
  pages     = {148 S. : graph. Darst.},
  year      = {1990},
  language  = {de}
}
@book{Koehler1990,
  author    = {K{\"o}hler, Bernd},
  title     = {Werkstofftechnologie der Luft- und Raumfahrt. Teil 1 : Grundlagen. -2. Aufl.},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-89653-861-6},
  pages     = {183 S. : graph. Darst.},
  year      = {1990},
  language  = {de}
}
@book{Koehler1990,
  author    = {K{\"o}hler, Bernd},
  title     = {Werkstofftechnologie der Luft- und Raumfahrt. Teil 2 : Leichtmetalle und St{\"a}hle},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-89653-862-4},
  pages     = {194 S. : graph. Darst.},
  year      = {1990},
  language  = {de}
}
@article{BienerSasse1990,
  author    = {Biener, Ernst and Sasse, T.},
  title     = {Hydraulische Maßnahmen zur Altlastensanierung},
  series = {Behandlung und Sicherung von Abfalldeponien und Altlasten : [Seminar] / Technische Akademie Wuppertal},
  journal   = {Behandlung und Sicherung von Abfalldeponien und Altlasten : [Seminar] / Technische Akademie Wuppertal},
  publisher = {Technische Akademie Wuppertal},
  address   = {Wuppertal},
  pages     = {1 -- 10},
  year      = {1990},
  language  = {de}
}
@article{BienerSasse1990,
  author    = {Biener, Ernst and Sasse, T.},
  title     = {Herstellen von Deponiedichtungen in ung{\"u}nstigen Witterungsperioden},
  series = {Altlastensanierung '90 : Dritter Internationaler KFK-TNO-Kongreß {\"u}ber Altlastensanierung ; 10. - 14. Dezember 1990, Karlsruhe, Bundesrepublik Deutschland / Hrsg.: F. Arendt ... - Bd. 2},
  journal   = {Altlastensanierung '90 : Dritter Internationaler KFK-TNO-Kongreß {\"u}ber Altlastensanierung ; 10. - 14. Dezember 1990, Karlsruhe, Bundesrepublik Deutschland / Hrsg.: F. Arendt ... - Bd. 2},
  publisher = {Kluwer},
  address   = {Dordrecht [u.a.]},
  isbn      = {0-7923-1059-4},
  pages     = {1387 -- 1388},
  year      = {1990},
  language  = {de}
}
@article{SchmitzBartzHilgeretal.1990,
  author    = {Schmitz, G{\"u}nter and Bartz, R. and Hilger, U. and Siedentop, M.},
  title     = {Intelligent Alcohol Fuel Sensor},
  year      = {1990},
  language  = {en}
}
@article{SponagelLutz1990,
  author    = {Sponagel, Stefan and Lutz, Th.},
  title     = {Ein Beitrag zur Bestimmung der Haertewerte von Elastomeren},
  series = {Kautschuk Gummi Kunststoffe. 43 (1990), H. 10},
  journal   = {Kautschuk Gummi Kunststoffe. 43 (1990), H. 10},
  isbn      = {0022-9520},
  pages     = {861 -- 865},
  year      = {1990},
  language  = {de}
}
@article{ArtmannZang1990,
  author    = {Artmann, Gerhard and Zang, Werner},
  title     = {Fully automatic measurement of rheologic parameters of red blood cells = Laborautomat zur Messung mechanischer Eigenschaften roter Blutzellen},
  series = {Biomedizinische Technik = Biomedical engineering. 35 (1990), H. Suppl. 3},
  journal   = {Biomedizinische Technik = Biomedical engineering. 35 (1990), H. Suppl. 3},
  isbn      = {0013-5585},
  pages     = {94 -- 96},
  year      = {1990},
  language  = {en}
}
@article{FeuerriegelMaHoffmann1990,
  author    = {Feuerriegel, Uwe and Ma, J. and Hoffmann, U.},
  title     = {Untersuchungen zur Rußfilterregeneration mit Hilfe von Z{\"u}ndhilfen. Ma, J.; Hoffmann, U.; Feuerriegel, U},
  series = {Erd{\"o}l und Kohle - Erdgas, Brennstoff-Chemie. 43 (1990)},
  journal   = {Erd{\"o}l und Kohle - Erdgas, Brennstoff-Chemie. 43 (1990)},
  isbn      = {0014-0058},
  pages     = {150 -- 157},
  year      = {1990},
  language  = {de}
}
@article{Weigand1990,
  author    = {Weigand, Christoph},
  title     = {Optimal Adjustment Policies},
  series = {Proceedings of the First Ume{\aa}-W{\"u}rzburg Conference in Statistics : Kronlund Conference Center and University of Ume{\aa}, September 10 - 14, 1990 / ed. by Kurt Br{\"a}nn{\"a}s},
  journal   = {Proceedings of the First Ume{\aa}-W{\"u}rzburg Conference in Statistics : Kronlund Conference Center and University of Ume{\aa}, September 10 - 14, 1990 / ed. by Kurt Br{\"a}nn{\"a}s},
  publisher = {Univ. of Ume{\aa}},
  address   = {Ume{\aa}},
  isbn      = {91-7174-564-5},
  pages     = {147 -- 158},
  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}
}
@book{AckermannMehlPeischl1990,
  author    = {Ackermann, Hans-Josef and Mehl, Max and Peischl, Markus},
  title     = {Modulares Graphik-Subsystem f{\"u}r die Echtzeitdarstellung von 3D-Anwendungen : Abschlußbericht ; Contract NT 2815-A-8 / Hans-Josef Ackermann; Max Mehl; Markus Peischl. Fachbereich Informatik, Technische Hochschule Darmstadt; Bundesministerium f{\"u}r Forschung und Technologie, Bonn},
  publisher = {Techn. Hochschule},
  address   = {Darmstadt},
  pages     = {ca. 100 S.},
  year      = {1990},
  language  = {de}
}
@book{MuellerOestreichKruse1990,
  author    = {M{\"u}ller-Oestreich, Karen and Kruse, Christina},
  title     = {Verfehlte Ziele, die Ausgabenentwicklung in den USA und in der Bundesrepublik Deutschland in den 80er Jahren / Christina Kruse und Karen M{\"u}ller-Oestreich},
  address   = {Freiburg i. Br.},
  pages     = {35 Bl. 13 Tab.},
  year      = {1990},
  language  = {de}
}
@article{HelsperMoelterHaller1990,
  author    = {Helsper, Christoph and M{\"o}lter, W. and Haller, P.},
  title     = {Representative Dilution of Aerosols by a Factor of 10,000},
  series = {Journal of Aerosol Science. 21 (1990), H. Suppl. 1},
  journal   = {Journal of Aerosol Science. 21 (1990), H. Suppl. 1},
  isbn      = {0021-8502},
  pages     = {637 -- 640},
  year      = {1990},
  language  = {en}
}
@article{HelsperMoelterKaminski1990,
  author    = {Helsper, Christoph and M{\"o}lter, W. and Kaminski, S.},
  title     = {Automatisierter Test von Luftfiltermedien f{\"u}r Hochleistungsschwebstoffilter und Entstaubungsfilter / M{\"o}lter, W. ; Helsper, C. ; Kaminski, S.},
  series = {Staub, Reinhaltung der Luft. 50 (1990)},
  journal   = {Staub, Reinhaltung der Luft. 50 (1990)},
  isbn      = {0039-0771},
  pages     = {311 -- 317},
  year      = {1990},
  language  = {de}
}