@incollection{WalzK{\"o}hler2006,
  author    = {Walz, Manfred and K{\"o}hler, Dennis},
  title     = {Perceiving, orientating and moving in urban spaces during night-time},
  series = {Motion, e-motion, urban space : 7. EAES conference in Dortmund},
  publisher = {Fachhochschule Dortmund},
  address   = {Dortmund},
  pages     = {13},
  year      = {2006},
  language  = {en}
}