@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{RateikeWeyerWiedenmannetal.1981,
  author    = {Rateike, Franz-Matthias and Weyer, K. G. and Wiedenmann, H. and MacGillivray, W. R.},
  title     = {Observation of absorptive optical bistability in a fabry-perot cavity containing multiple atomic beams / K. G. Weyer ; H. Wiedenmann ; M. Rateike ; W. R. Mac Gillivray ; P. Meystre ; H. Walther},
  series = {Optics communications. 37 (1981), H. 6},
  journal   = {Optics communications. 37 (1981), H. 6},
  isbn      = {0030-4018},
  pages     = {426 -- 430},
  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}
}
@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}
}