@article{Biener1987,
  author    = {Biener, Ernst},
  title     = {Planung neuer Deponien},
  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     = {9.01 -- 9.08},
  year      = {1987},
  language  = {de}
}
@book{Polumsky1987,
  author    = {Polumsky, Dieter},
  title     = {Erweiterungsm{\"o}glichkeiten des Verkehrsplanungsalgorithmus},
  publisher = {Inst. f{\"u}r Stadtbauwesen, RWTH},
  address   = {Aachen},
  isbn      = {3-88354-114-1},
  pages     = {X, 200 S. : graph. Darst., Kt.},
  year      = {1987},
  language  = {de}
}
@book{Sponagel1987,
  author    = {Sponagel, Stefan},
  title     = {Gummi-Metall-Bauteile},
  address   = {Kaiserslautern},
  pages     = {126 S. : Ill., graph. Darst.},
  year      = {1987},
  language  = {de}
}
@article{SchwarzerBieger1987,
  author    = {Schwarzer, Klemens and Bieger, W.},
  title     = {Entwicklung eines solaren Kochers},
  series = {Erneuerbare Energiequellen : Aktivit{\"a}ten deutscher Hochschulen / zsgest. von F. A. Peuser ...},
  journal   = {Erneuerbare Energiequellen : Aktivit{\"a}ten deutscher Hochschulen / zsgest. von F. A. Peuser ...},
  publisher = {Zentralstelle f{\"u}r Solartechnik},
  address   = {Hilden},
  pages     = {2 -- 3},
  year      = {1987},
  language  = {de}
}
@article{SchwarzerBieger1987,
  author    = {Schwarzer, Klemens and Bieger, W.},
  title     = {Tests von solaren Brauchwassersystemen / W. Bieger ; K. Schwarzer},
  series = {Erneuerbare Energiequellen : Aktivit{\"a}ten deutscher Hochschulen / zsgest. von F. A. Peuser ...},
  journal   = {Erneuerbare Energiequellen : Aktivit{\"a}ten deutscher Hochschulen / zsgest. von F. A. Peuser ...},
  publisher = {Zentralstelle f{\"u}r Solartechnik},
  address   = {Hilden},
  pages     = {6 -- 7},
  year      = {1987},
  language  = {de}
}
@article{SchwarzerBieger1987,
  author    = {Schwarzer, Klemens and Bieger, W.},
  title     = {Entwicklung von solaren Unterrichtsmesspl{\"a}tzen fuer Indonesien / W. Bieger ; K. Schwarzer},
  series = {Erneuerbare Energiequellen : Aktivit{\"a}ten deutscher Hochschulen / zsgest. von F. A. Peuser ...},
  journal   = {Erneuerbare Energiequellen : Aktivit{\"a}ten deutscher Hochschulen / zsgest. von F. A. Peuser ...},
  publisher = {Zentralstelle f{\"u}r Solartechnik},
  address   = {Hilden},
  pages     = {4 -- 5},
  year      = {1987},
  language  = {de}
}
@article{SponagelKilthauSpies1987,
  author    = {Sponagel, Stefan and Kilthau, G. and Spies, K. H.},
  title     = {Sealing mechanism of lip seals},
  series = {Eleventh 11th International Conference on Fluid Sealing : proceedings of the 11th Internat. Conference on Fluid Sealing, held at Cannes, France 8 - 10 April, 1987 / organised and sponsored by BHRA, the Fluid Engineering Centre. Ed. B. S. Nau},
  journal   = {Eleventh 11th International Conference on Fluid Sealing : proceedings of the 11th Internat. Conference on Fluid Sealing, held at Cannes, France 8 - 10 April, 1987 / organised and sponsored by BHRA, the Fluid Engineering Centre. Ed. B. S. Nau},
  publisher = {Elsevier},
  address   = {London},
  isbn      = {3-540-51383-3},
  pages     = {748 -- 772},
  year      = {1987},
  language  = {en}
}
@article{KaemperSchmittGuentherodt1987,
  author    = {K{\"a}mper, Klaus-Peter and Schmitt, W. and G{\"u}ntherodt, G.},
  title     = {The influence of adsorbates on the spin-resolved photoemission of Ni(110). Schmitt, W.; K{\"a}mper, K.-P.; G{\"u}ntherodt, G.},
  series = {Surface Science. 189/190 (1987)},
  journal   = {Surface Science. 189/190 (1987)},
  isbn      = {0039-6028},
  pages     = {741 -- 507},
  year      = {1987},
  language  = {en}
}
@book{Grueters1987,
  author    = {Gr{\"u}ters, Hugo},
  title     = {Mechanik: Vorlesung},
  publisher = {Becker-Kuns},
  address   = {Aachen},
  pages     = {253 S.: zahlr. graph. Darst.},
  year      = {1987},
  language  = {de}
}
@article{KotterRiekert1987,
  author    = {Kotter, Michael and Riekert, L.},
  title     = {Tr{\"a}nkkontakte zur partiellen Oxidation von Buten zu Maleins{\"a}ureanhydrid},
  series = {Chemie - Ingenieur - Technik. 59 (1987), H. 9},
  journal   = {Chemie - Ingenieur - Technik. 59 (1987), H. 9},
  isbn      = {0009-286X},
  pages     = {733 -- 734},
  year      = {1987},
  language  = {de}
}