@incollection{K{\"o}hler2010,
  author    = {K{\"o}hler, Dennis},
  title     = {Integration of artificial light in urban spaces as a matter of urban planning},
  series = {Proceedings of CIE 2010 "Lighting qualitiy and energy efficiency"},
  pages     = {5},
  year      = {2010},
  language  = {en}
}