@incollection{K{\"o}hler2013,
  author    = {K{\"o}hler, Dennis},
  title     = {Rahmenpl{\"a}ne f{\"u}r Stadtbeleuchtung - quo vadis?},
  series = {Licht 2012 : 20. Gemeinschaftstagung 11. bis 14. September 2012, Technische Universit{\"a}t Berlin},
  publisher = {Deutsche Lichttechnische Gesellschaft},
  address   = {Berlin},
  pages     = {8},
  year      = {2013},
  language  = {de}
}
@incollection{Hohmann2013,
  author    = {Hohmann, Rainer},
  title     = {Materialtechnische Tabellen},
  series = {Bauphysik-Kalender 2013},
  publisher = {Ernst \& Sohn},
  address   = {Berlin},
  pages     = {78},
  year      = {2013},
  language  = {de}
}
@incollection{Hohmann2013,
  author    = {Hohmann, Rainer},
  title     = {Bauphysik},
  series = {Entwurfs- und Konstruktionstafeln f{\"u}r Architekten},
  publisher = {Beuth Verlag},
  address   = {Berlin},
  pages     = {39650},
  year      = {2013},
  language  = {de}
}