@incollection{LategahnAxM{\"u}ller2015,
  author    = {Lategahn, Julian and Ax, Thomas and M{\"u}ller, Marcel},
  title     = {Topological localization with bluetooth low energy in office buildings},
  series = {Proceedings of the 1st GI expert talk on localization},
  publisher = {RWTH Aachen, Department of Computer Science},
  address   = {Aachen},
  pages     = {4},
  year      = {2015},
  language  = {en}
}