@article{FoersterTulkeLueth1987,
  author    = {F{\"o}rster, Arnold and Tulke, A. and L{\"u}th, H.},
  title     = {The Schottky barrier at the InSb(110)-Sn interface},
  series = {Journal of Vacuum Science \& Technology B: Microelectronics and Nanometer Structures. 5 (1987), H. 4},
  journal   = {Journal of Vacuum Science \& Technology B: Microelectronics and Nanometer Structures. 5 (1987), H. 4},
  isbn      = {1071-1023},
  pages     = {1054 -- 1056},
  year      = {1987},
  language  = {en}
}
@article{HelsperBartz1987,
  author    = {Helsper, Christoph and Bartz, H.},
  title     = {Theoretische Bestimmung des Abscheidegrades eines Filters bei verschiedenen Betriebszust{\"a}nden / Bartz, H. ; Helsper, C.},
  series = {Staub, Reinhaltung der Luft. 47 (1987)},
  journal   = {Staub, Reinhaltung der Luft. 47 (1987)},
  isbn      = {0039-0771},
  pages     = {112 -- 114},
  year      = {1987},
  language  = {de}
}
@book{Bullerschen1987,
  author    = {Bullerschen, Klaus-Gerd},
  title     = {Theoretische Untersuchungen zur thermischen Belastung der Elektroden des Lichtbogenofens und deren K{\"u}hlung durch Heat Pipes},
  publisher = {Techn. Hochsch., Fak. f{\"u}r Bergbau, H{\"u}ttenwesen u. Geowiss.},
  address   = {Aachen},
  pages     = {121 S. : graph. Darst., 21 cm},
  year      = {1987},
  language  = {de}
}
@article{AnikFrohberg1987,
  author    = {Anik, Sabri and Frohberg, Martin G.},
  title     = {Thermodynamics and solubility of oxygen in liquid bismuth-lead and bismuth-antimony alloys},
  series = {Berichte der Bunsengesellschaft f{\"u}r physikalische Chemie},
  volume    = {91},
  journal   = {Berichte der Bunsengesellschaft f{\"u}r physikalische Chemie},
  number    = {7},
  issn      = {0940-483X},
  pages     = {790 -- 794},
  year      = {1987},
  language  = {en}
}
@article{WangAnikFrohberg1987,
  author    = {Wang, Mao and Anik, Sabri and Frohberg, Martin G.},
  title     = {Thermodynamics of oxygen in the lead-antimony system at 1173 K},
  series = {Erzmetall : Rohstoffgewinnung, Verarbeitung, Recycling, Umwelttechnik},
  volume    = {40},
  journal   = {Erzmetall : Rohstoffgewinnung, Verarbeitung, Recycling, Umwelttechnik},
  number    = {6},
  issn      = {0044-2658},
  pages     = {316 -- 319},
  year      = {1987},
  language  = {en}
}
@article{GerlingLueckPredel1987,
  author    = {Gerling, Ulrich and L{\"u}ck, Reinhard and Predel, Bruno},
  title     = {Thermodynamische Untersuchungen im System Antimon-Germanium-Zink},
  series = {Zeitschrift f{\"u}r Metallkunde : international journal of materials research and advanced techniques. Bd. 78, H. 1},
  journal   = {Zeitschrift f{\"u}r Metallkunde : international journal of materials research and advanced techniques. Bd. 78, H. 1},
  issn      = {0044-3093 ; 0179-4841},
  pages     = {13 -- 18},
  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}
}
@book{Hegewald1987,
  author    = {Hegewald, Ulf},
  title     = {Ulf Hegewald / hrsg. von Marianne Hennemann},
  publisher = {Galerie Hennemann},
  address   = {Bonn},
  isbn      = {3-88482-032-X},
  pages     = {88 S. : {\"u}berw. Ill.},
  year      = {1987},
  language  = {de}
}
@article{LaackAlbrechtCasser1987,
  author    = {Laack, Walter van and Albrecht, T. and Casser, H. R.},
  title     = {Ultraschalltherapie in der Praxis},
  series = {Physikalische Therapie in Theorie und Praxis},
  volume    = {8},
  journal   = {Physikalische Therapie in Theorie und Praxis},
  number    = {10},
  isbn      = {0178-9201},
  pages     = {628 -- 631},
  year      = {1987},
  language  = {de}
}
@article{LaackAlbrecht1987,
  author    = {Laack, Walter van and Albrecht, T.},
  title     = {Ultraschalltherapie in der Praxis},
  series = {ZFA - Zeitschrift f{\"u}r Allgemeinmedizin},
  volume    = {63},
  journal   = {ZFA - Zeitschrift f{\"u}r Allgemeinmedizin},
  number    = {19},
  isbn      = {0341-9835},
  pages     = {605 -- 608},
  year      = {1987},
  language  = {de}
}