@book{Hirschberg1995,
  author    = {Hirschberg, Rainer},
  title     = {Rechnergest{\"u}tzte Planung heiz- und raumlufttechnischer Anlagen},
  pages     = {147 S. : Ill., graph. Darst.},
  year      = {1995},
  language  = {de}
}
@article{Hirschberg1994,
  author    = {Hirschberg, Rainer},
  title     = {Computer-Aided-Engineering in der Technischen Geb{\"a}udeausr{\"u}stung},
  series = {computer spezial (1994)},
  journal   = {computer spezial (1994)},
  pages     = {32 -- 37},
  year      = {1994},
  language  = {en}
}
@article{Hirschberg1994,
  author    = {Hirschberg, Rainer},
  title     = {Computer-Aided-Engineering in der TGA},
  series = {Stadt- und Geb{\"a}udetechnik (1994)},
  journal   = {Stadt- und Geb{\"a}udetechnik (1994)},
  isbn      = {0038-898X},
  pages     = {16 -- 17},
  year      = {1994},
  language  = {de}
}
@article{Hirschberg1992,
  author    = {Hirschberg, Rainer},
  title     = {Rechnergest{\"u}tzte Planung der Technischen Geb{\"a}udeausr{\"u}stung. Tl.1},
  series = {Stadt- und Geb{\"a}udetechnik (1992)},
  journal   = {Stadt- und Geb{\"a}udetechnik (1992)},
  isbn      = {0038-898X},
  pages     = {427 -- 429},
  year      = {1992},
  language  = {de}
}