@article{Hillen1981,
  author    = {Hillen, Walter},
  title     = {\&\#923;, Image production in e+e- annihilation at 33 GeV centre of mass energy. TASSO Collaboration},
  series = {Physics Letters B. 105 (1981), H. 4},
  journal   = {Physics Letters B. 105 (1981), H. 4},
  isbn      = {0370-2693},
  pages     = {75 -- 80},
  year      = {1981},
  language  = {en}
}
@article{MangKricheldorf1981,
  author    = {Mang, Thomas and Kricheldorf, Hans R.},
  title     = {13-C-NMR Sequence Analysis 20. Stereospecificity of the polymerization of D,L-Leu-NCA and D,L-Val-NCA / Kricheldorf, Hans R. ; Mang, Thomas},
  series = {Die makromolekulare Chemie. 182 (1981), H. 11},
  journal   = {Die makromolekulare Chemie. 182 (1981), H. 11},
  isbn      = {1022-1352},
  pages     = {3077 -- 3098},
  year      = {1981},
  language  = {en}
}
@article{MuellerVeggianHaenniBeuscheretal.1981,
  author    = {M{\"u}ller-Veggian, Mattea and Haenni, D. R. and Beuscher, H. and Bochev, B.},
  title     = {A new 5.0 ns isomer in ¹⁴⁴ Eu},
  series = {Nuclear physics / A. 365 (1981), H. 2},
  journal   = {Nuclear physics / A. 365 (1981), H. 2},
  isbn      = {0375-9474},
  pages     = {229 -- 236},
  year      = {1981},
  language  = {en}
}
@article{FischerDoerenJanke1981,
  author    = {Fischer, W. A. and D{\"o}ren, Horst-Peter and Janke, Dieter},
  title     = {Aluminium nitride probes for application in iron melts},
  series = {Archiv f{\"u}r das Eisenh{\"u}ttenwesen. 52 (1981), H. 3},
  journal   = {Archiv f{\"u}r das Eisenh{\"u}ttenwesen. 52 (1981), H. 3},
  issn      = {0003-8962},
  pages     = {91 -- 98},
  year      = {1981},
  language  = {en}
}
@article{GruetersMueller1981,
  author    = {Gr{\"u}ters, Hugo and M{\"u}ller, C. H.},
  title     = {Anwendung der Cosseratschen Kontinuumstheorie auf den ebenen Verbundk{\"o}rper},
  series = {Zeitschrift f{\"u}r angewandte Mathematik und Mechanik : ZAMM. 61 (1981)},
  journal   = {Zeitschrift f{\"u}r angewandte Mathematik und Mechanik : ZAMM. 61 (1981)},
  isbn      = {0044-2267},
  pages     = {T92 -- T94},
  year      = {1981},
  language  = {de}
}
@book{SchuermannDeutschmannSchmidtetal.1981,
  author    = {Sch{\"u}rmann, Wilhelm and Deutschmann, Thomas and Schmidt, Michael and Bauer, Wilfried},
  title     = {Aspekte der Großstadt : zeigen{\"o}ssische deutsche Fotografie / Thomas Deutschmann ; Michael Schmidt ; Wilfried Bauer ; Wilhelm Sch{\"u}rmann},
  address   = {Essen},
  pages     = {3 Teile},
  year      = {1981},
  language  = {de}
}
@article{ArpshofenGerlingSommeretal.1981,
  author    = {Arpshofen, Ingo and Gerling, Ulrich and Sommer, Ferdinand and Schultheiss, Emil and Predel, Bruno and Pool, M. J.},
  title     = {Bestimmung der Mischungsenthalpien im System Palladium-Silicium bei 1600 K},
  series = {Zeitschrift f{\"u}r Metallkunde : international journal of materials research and advanced techniques. Bd. 72, H. 11},
  journal   = {Zeitschrift f{\"u}r Metallkunde : international journal of materials research and advanced techniques. Bd. 72, H. 11},
  issn      = {0044-3093 ; 0179-4841},
  pages     = {776 -- 781},
  year      = {1981},
  language  = {de}
}
@book{Helsper1981,
  author    = {Helsper, Christoph},
  title     = {Bestimmung, Simulation und Korrektur des nichtidealen {\"U}bertragungsverhaltens klassifizierender Aerosolmeßverfahren},
  publisher = {Univ.-Gesamthochsch},
  address   = {Duisburg},
  pages     = {65 S.},
  year      = {1981},
  language  = {de}
}
@book{HeinrichsWeckVonderhagen1981,
  author    = {Heinrichs, Horst and Weck, M. and Vonderhagen, H.},
  title     = {CAD-Programmbibliothek f{\"u}r Großrechneranlagen},
  address   = {Aachen},
  year      = {1981},
  language  = {de}
}
@article{Klocke1981,
  author    = {Klocke, Martina},
  title     = {CNC-Technik holt auf bei der Feinbearbeitung / Voelmy, M.},
  series = {VDI-Nachrichten (1981)},
  journal   = {VDI-Nachrichten (1981)},
  year      = {1981},
  language  = {de}
}