@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{KotterXingLi1990,
  author    = {Kotter, Michael and Xing Li, Dong},
  title     = {Partielle Oxidation von o-Xylol zu Phthals{\"a}reanhydrid an V/Ti-Schalenkatalysatoren : [Synopsis 1898]},
  series = {Chemie - Ingenieur - Technik. 62 (1990), H. 11},
  journal   = {Chemie - Ingenieur - Technik. 62 (1990), H. 11},
  isbn      = {0009-286X},
  pages     = {950 -- 951},
  year      = {1990},
  language  = {de}
}
@article{KotterLiRiekert1990,
  author    = {Kotter, Michael and Li, D. X. and Riekert, Lothar},
  title     = {Partial oxidation of o-xylene to phthalic anhydride in a structured fixed bed containing a sequence of catalysts},
  series = {New developments in selective oxidation : proceedings of an international symposium ; Rimini, Italy, Sept. 18 - 22, 1989 / eds.: G. Centi ... - (Studies in surface science and catalysis ; 55)},
  journal   = {New developments in selective oxidation : proceedings of an international symposium ; Rimini, Italy, Sept. 18 - 22, 1989 / eds.: G. Centi ... - (Studies in surface science and catalysis ; 55)},
  publisher = {Elsevier},
  address   = {Amsterdam},
  isbn      = {0-444-88694-X},
  pages     = {267 -- 274},
  year      = {1990},
  language  = {en}
}
@article{KotterGrazykGeissleetal.1990,
  author    = {Kotter, Michael and Grazyk, J. and Geißle, W. and Roth, A.},
  title     = {Fließeigenschaften von Keramiken f{\"u}r die Herstellung von Katalysatortr{\"a}gern / J. Grazyk ; W. Gleißle ; A. Roth ; M. Kotter},
  series = {Erd{\"o}l \& Kohle, Erdgas, Petrochemie : EKEP. 43 (1990), H. 1},
  journal   = {Erd{\"o}l \& Kohle, Erdgas, Petrochemie : EKEP. 43 (1990), H. 1},
  isbn      = {0014-0058},
  pages     = {27 -- 30},
  year      = {1990},
  language  = {de}
}
@book{Kettern1990,
  author    = {Kettern, J{\"u}rgen},
  title     = {Untersuchungen zur biologisch-chemisch-physikalischen Behandlung von Deponiesickerw{\"a}ssern},
  publisher = {Ges. zur F{\"o}rderung d. Siedlungswasserwirtschaft an d. RWTH},
  address   = {Aachen},
  pages     = {XIV, 184, [71] S : Ill. u. graph. Darst + 73 Ill.},
  year      = {1990},
  language  = {de}
}
@article{Kern1990,
  author    = {Kern, Alexander},
  title     = {The heating of metal sheets caused by direct lightning strikes-model and measurement},
  series = {20th ICPL / International Conference on Lightning Protection, Congress-Center Casino Interlaken, Switzerland, September 24-28, 1990 = Internationale Blitzschutzkonferenz, Congress-Center Casino Interlaken, Schweiz, 24.-28. September 1990},
  journal   = {20th ICPL / International Conference on Lightning Protection, Congress-Center Casino Interlaken, Switzerland, September 24-28, 1990 = Internationale Blitzschutzkonferenz, Congress-Center Casino Interlaken, Schweiz, 24.-28. September 1990},
  publisher = {Schweizerischer Elektrotechnischer Verein},
  address   = {[Z{\"u}rich]},
  pages     = {[522] S. (getr. Z{\"a}hl.) : Ill.},
  year      = {1990},
  language  = {en}
}
@book{Kern1990,
  author    = {Kern, Alexander},
  title     = {Theoretische und experimentelle Untersuchung der Erw{\"a}rmung von Metallblechen bei Blitzeinschlag},
  publisher = {Univ. der Bundeswehr},
  address   = {M{\"u}nchen},
  pages     = {219 S. : Ill., graph. Darst.},
  year      = {1990},
  language  = {de}
}
@article{JerominWeise1990,
  author    = {Jeromin, G{\"u}nter Erich and Weise, Sven},
  title     = {Enzymatische Acetylierung von (±)-1-Phthalimido-2-propanol},
  series = {Liebigs Annalen der Chemie (1990)},
  journal   = {Liebigs Annalen der Chemie (1990)},
  isbn      = {0947-3440},
  pages     = {1045 -- 1046},
  year      = {1990},
  language  = {de}
}
@misc{JerominOrtFickert1990,
  author    = {Jeromin, G{\"u}nter Erich and Ort, Winfried and Fickert, Werner},
  title     = {Verfahren zur Chlorierung von Alkylseitenketten stickstoffhaltiger Heterocyclen : Europ{\"a}ische Patentschrift EP0204352B1 ; Ver{\"o}ffentlichungstag im Patentblatt: 23.05.1990 / Anmelder: R{\"u}tgerswerke AG, 6000 Frankfurt},
  publisher = {Deutsches Patent- und Markenamt},
  address   = {M{\"u}nchen},
  pages     = {5 S.},
  year      = {1990},
  language  = {de}
}
@article{JacobsQuernheim1990,
  author    = {Jacobs, Stephan and Quernheim, Ulrich},
  title     = {ARQ Error Control for Multipoint Satellite Communications / Ulrich Quernheim, Stephan Jacobs},
  series = {Computer networking : proceedings of the IFIP TC 6 Conference on Computer Networking, COMNET '90, Budapest, Hungary, 8-10 May, 1990 / edited by L{\´a}szl{\´o} Csaba, Tibor Szentiv{\´a}nyi, Katie Tarnay},
  journal   = {Computer networking : proceedings of the IFIP TC 6 Conference on Computer Networking, COMNET '90, Budapest, Hungary, 8-10 May, 1990 / edited by L{\´a}szl{\´o} Csaba, Tibor Szentiv{\´a}nyi, Katie Tarnay},
  publisher = {Elsevier},
  address   = {New York, N.Y.},
  isbn      = {0444888721},
  pages     = {xi, 505 p : ill},
  year      = {1990},
  language  = {en}
}