@article{ZiemonsHerzogFeinendegen1990,
  author    = {Ziemons, Karl and Herzog, H. and Feinendegen, L. E.},
  title     = {Iterative image reconstruction with weighted pixel contribution to projection element},
  series = {European Journal of Nuclear Medicine},
  volume    = {16},
  journal   = {European Journal of Nuclear Medicine},
  number    = {7},
  isbn      = {1619-7089},
  pages     = {403 -- 403},
  year      = {1990},
  language  = {en}
}
@article{Lindemann1990,
  author    = {Lindemann, Markus},
  title     = {Auf Europa programmiert},
  series = {Welthandel : das internationale Wirtschaftsmagazin. Jg. 10 (1990), Nr. 6},
  journal   = {Welthandel : das internationale Wirtschaftsmagazin. Jg. 10 (1990), Nr. 6},
  issn      = {0720-3683},
  pages     = {84},
  year      = {1990},
  language  = {de}
}
@article{Meliss1990,
  author    = {Meliß, Michael},
  title     = {Regenerative Energiequellen},
  series = {Brennstoff, W{\"a}rme, Kraft : BWK ; das Energie-Fachmagazin. Bd. 42 (1990), H. 4},
  journal   = {Brennstoff, W{\"a}rme, Kraft : BWK ; das Energie-Fachmagazin. Bd. 42 (1990), H. 4},
  issn      = {0006-9612 (Print) ; 1436-4883 (E-Journal)},
  pages     = {173 -- 179},
  year      = {1990},
  language  = {de}
}
@article{MerschenzQuackMootz1990,
  author    = {Merschenz-Quack, Angelika and Mootz, D.},
  title     = {Structure of 5-sulfosalicylic acid pentahydrate},
  series = {Acta crystallographica / Section C, Crystal structure communications. C 46 (1990), H. 8},
  journal   = {Acta crystallographica / Section C, Crystal structure communications. C 46 (1990), H. 8},
  isbn      = {0108-2701},
  pages     = {1478 -- 1480},
  year      = {1990},
  language  = {en}
}
@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{ElbersZangBuck1990,
  author    = {Elbers, Gereon and Zang, Thorsten and Buck, Manfred},
  title     = {Ruß-Immissionsmessungen im Einflußbereich des Kraftfahrzeugverkehrs},
  series = {Staub, Reinhaltung der Luft : air quality control. 50 (1990)},
  journal   = {Staub, Reinhaltung der Luft : air quality control. 50 (1990)},
  isbn      = {0039-0771},
  pages     = {93},
  year      = {1990},
  language  = {de}
}
@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{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{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}
}
@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}
}