@article{LauthChristmannSchwarz1990,
  author    = {Lauth, Jakob and Christmann, K. and Schwarz, E.},
  title     = {Adsorption geometry of H on RU(1010) image as determined by LEED and HREELS / Christmann, K. ; Lauth, G. ; Schwarz, E.},
  series = {Vacuum. 41 (1990), H. 1-3},
  journal   = {Vacuum. 41 (1990), H. 1-3},
  isbn      = {0042-207X},
  pages     = {293 -- 296},
  year      = {1990},
  language  = {en}
}
@article{Lassonczyk1990,
  author    = {Lassonczyk, Beate},
  title     = {Characteristics of a fossil soil developed on the basement complex in the northeast Somalia},
  series = {Berliner geowissenschaftliche Abhandlungen / Reihe A, Geologie und Pal{\"a}ontologie / hrsg. von d. Geowissenschaftlichen Instituten der Freien u. d. Technischen Universit{\"a}t Berlin. 120 A (1990)},
  journal   = {Berliner geowissenschaftliche Abhandlungen / Reihe A, Geologie und Pal{\"a}ontologie / hrsg. von d. Geowissenschaftlichen Instituten der Freien u. d. Technischen Universit{\"a}t Berlin. 120 A (1990)},
  isbn      = {0172-8784},
  pages     = {713 -- 718},
  year      = {1990},
  language  = {en}
}
@article{ElbersThomzik1990,
  author    = {Elbers, Gereon and Thomzik, Manfred},
  title     = {Das Entstehen geruchsintensiver schwefelhaltiger organischer Verbindungen in Lackierereien und M{\"o}glichkeiten zu deren Vermeidung},
  series = {Aus der T{\"a}tigkeit der LIS / Landesanstalt f{\"u}r Immissionsschutz des Landes Nordrhein-Westfalen. 1989 (1990)},
  journal   = {Aus der T{\"a}tigkeit der LIS / Landesanstalt f{\"u}r Immissionsschutz des Landes Nordrhein-Westfalen. 1989 (1990)},
  isbn      = {0931-5497},
  pages     = {35},
  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}
}
@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}
}
@article{LassonczykAlailyHuthetal.1990,
  author    = {Lassonczyk, Beate and Alaily, F. and Huth, A. and Gensior, A.},
  title     = {Genesis of soils in the arid part of northeast Somalia / F. Alaily, B. Lassonczyk, A.Huth and A. Gensior},
  series = {Berliner geowissenschaftliche Abhandlungen / Reihe A, Geologie und Pal{\"a}ontologie / hrsg. von d. Geowissenschaftlichen Instituten der Freien u. d. Technischen Universit{\"a}t Berlin. 120 A (1990)},
  journal   = {Berliner geowissenschaftliche Abhandlungen / Reihe A, Geologie und Pal{\"a}ontologie / hrsg. von d. Geowissenschaftlichen Instituten der Freien u. d. Technischen Universit{\"a}t Berlin. 120 A (1990)},
  isbn      = {0172-8784},
  pages     = {695 -- 711},
  year      = {1990},
  language  = {en}
}
@book{BaueerGilchRathetal.1990,
  author    = {Ba{\"u}er, Herbert and Gilch, Heinz Gerhard and Rath, Walter and Sch{\"u}mann, Uwe},
  title     = {Moisture-curing polyurethane-based hot-melt compositions = Feuchth{\"a}rtbare Heisschmelz-Zusammensetzungen auf Polyurethanbasis},
  publisher = {Europ{\"a}isches Patentamt},
  address   = {M{\"u}nchen},
  year      = {1990},
  language  = {en}
}
@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{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}
}
@inproceedings{BerndtKalbeKuropkaetal.1990,
  author    = {Berndt, Heinz and Kalbe, Jochen and Kuropka, Rolf and Meyer-Stork, L. Sebastian and H{\"o}cker, Hartwig},
  title     = {Progress and limitations of the DNA analysis in fine animal fiber identification},
  series = {Proceedings of the 2nd International Symposium on Specialty Animal Fibers : Aachen, October 19 - 20, 1989. - (Schriftenreihe des Deutschen Wollforschungsinstituts an der Technischen Hochschule Aachen e. V. ; 106)},
  booktitle = {Proceedings of the 2nd International Symposium on Specialty Animal Fibers : Aachen, October 19 - 20, 1989. - (Schriftenreihe des Deutschen Wollforschungsinstituts an der Technischen Hochschule Aachen e. V. ; 106)},
  editor    = {K{\"o}rner, Andrea},
  publisher = {Dt. Wollforschungsinst.},
  address   = {Aachen},
  pages     = {259 -- 265},
  year      = {1990},
  language  = {en}
}