@article{HelsperFissan2006,
  author    = {Christoph Helsper and H. J. Fißan},
  title     = {Response Characteristic of a Polytec HC-15 Optical Particle Counter},
  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},
  pages     = {287 -- 292},
  year      = {2006},
}