@article{HelsperFissan1981,
  author    = {Helsper, Christoph and Fißan, H. J.},
  title     = {Response Characteristic of a Polytec HC-15 Optical Particle Counter},
  series = {Aerosols in science, medicine and technology : Physical and chemical properties of aerosols : Association for Aerosol Research: annual conference. 1980 : Gesellschaft f{\"u}r Aerosolforschung: annual conference. 1980 : Aerosols in science, medicine and technology : Physical and chemical properties of aerosols : Associa-tion for Aerosol Research: annual conference. 1980 : Gesellschaft f{\"u}r Aerosolforschung: annual conference. 1980 : Schmallenberg, 22.10.80 - 24.10.80},
  journal   = {Aerosols in science, medicine and technology : Physical and chemical properties of aerosols : Association for Aerosol Research: annual conference. 1980 : Gesellschaft f{\"u}r Aerosolforschung: annual conference. 1980 : Aerosols in science, medicine and technology : Physical and chemical properties of aerosols : Associa-tion for Aerosol Research: annual conference. 1980 : Gesellschaft f{\"u}r Aerosolforschung: annual conference. 1980 : Schmallenberg, 22.10.80 - 24.10.80},
  publisher = {Pergamon Pr.},
  address   = {Oxford},
  pages     = {287 -- 292},
  year      = {1981},
  language  = {en}
}
@article{HeinrichsWeck1981,
  author    = {Heinrichs, Horst and Weck, H.},
  title     = {Efficient finite-element structural analysis by interactive graphic mesh generation},
  series = {CIRP Annals. 30 (1981), H. 1},
  journal   = {CIRP Annals. 30 (1981), H. 1},
  pages     = {279 -- 284},
  year      = {1981},
  language  = {en}
}
@inproceedings{HaissigDoerenStadler1981,
  author    = {Haissig, M. and D{\"o}ren, Horst-Peter and Stadler, P.},
  title     = {The horizontal continuous casting process of steel - a contribution to the economic production of unalloyed, alloyed and high alloyed steel},
  series = {VOEST-Alpine Continuous Casting Conference : 12.-15. 10.1981, Johannes-Keppler-Universit{\"a}t Linz},
  booktitle = {VOEST-Alpine Continuous Casting Conference : 12.-15. 10.1981, Johannes-Keppler-Universit{\"a}t Linz},
  address   = {Linz},
  pages     = {Vortrag 21},
  year      = {1981},
  language  = {en}
}
@article{HagemannHennings1981,
  author    = {Hagemann, Hans-J{\"u}rgen and Hennings, D.},
  title     = {Reversible Weight change of acceptor-doped BaTiO3. Hagemann, H. J.; Hennings, D.},
  series = {Journal of the American Ceramic Society. 64 (1981)},
  journal   = {Journal of the American Ceramic Society. 64 (1981)},
  isbn      = {0002-7820},
  pages     = {590 -- 594},
  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}
}