@book{Maether1987,
  author    = {Maether, Christiane},
  title     = {Zeichnung und Malerei / Text: Wolfgang Becker},
  address   = {Aachen},
  pages     = {71 S.: {\"u}berw. Ill.},
  year      = {1987},
  language  = {de}
}
@article{BlomePriester1987,
  author    = {Blome, Hans-Joachim and Priester, W.},
  title     = {Zum Problem des Urknalls},
  series = {Sterne und Weltraum. 26 (1987), H. 2},
  journal   = {Sterne und Weltraum. 26 (1987), H. 2},
  isbn      = {0039-1263},
  pages     = {83 -- 89},
  year      = {1987},
  language  = {de}
}
@article{BlomePriester1987,
  author    = {Blome, Hans-Joachim and Priester, W.},
  title     = {Zum Problem des Urknalls: "Big Bang" oder "Big Bounce"? Teil 2},
  series = {Sterne und Weltraum. 26 (1987), H. 3},
  journal   = {Sterne und Weltraum. 26 (1987), H. 3},
  isbn      = {0039-1263},
  pages     = {140 -- 144},
  year      = {1987},
  language  = {de}
}
@article{MootzMerschenzQuack1987,
  author    = {Mootz, D. and Merschenz-Quack, Angelika},
  title     = {Zur Kenntnis der h{\"o}chsten Hydrate der Schwefels{\"a}ure: Bildung und Struktur von H2SO4·6,5 H2O und H2SO4·8H2O},
  series = {Zeitschrift f{\"u}r Naturforschung B: Journal of chemical sciences},
  volume    = {42},
  journal   = {Zeitschrift f{\"u}r Naturforschung B: Journal of chemical sciences},
  number    = {H. 10},
  issn      = {1865-7117 (E-Journal); 0932-0776 (Print)},
  pages     = {1231 -- 1236},
  year      = {1987},
  language  = {de}
}
@article{Biener1987,
  author    = {Biener, Ernst},
  title     = {{\"U}berblick {\"u}ber Reinigungsverfahren von kontaminierten B{\"o}den},
  series = {[Tagungsband] 21. Tiefbaukolloquium / Haus der Technik e.V.},
  journal   = {[Tagungsband] 21. Tiefbaukolloquium / Haus der Technik e.V.},
  publisher = {Eigenverl. Haus der Technik},
  address   = {Essen},
  pages     = {5.01 -- 5.13},
  year      = {1987},
  language  = {de}
}