@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{Hirschberg2008,
  author    = {Hirschberg, Rainer},
  title     = {Decentral pumps in heating systems - a new hydraulic approac},
  series = {1st International Rotating Equipment Conference - Pumps and Compressors, 9th Pump Users International Forum, 9. Internationales Pumpenanwenderforum, Final Report, D{\"u}sseldorf, DE, 28.-29. Oct, 2008},
  journal   = {1st International Rotating Equipment Conference - Pumps and Compressors, 9th Pump Users International Forum, 9. Internationales Pumpenanwenderforum, Final Report, D{\"u}sseldorf, DE, 28.-29. Oct, 2008},
  publisher = {-},
  pages     = {1 -- 10},
  year      = {2008},
  language  = {en}
}