@misc{DelikostidisEngelRetsiosetal.2019,
  author    = {Ioannis Delikostidis and Juri Engel and Bas Retsios and Corn{\´e} P.J.M. van Elzakker and Menno-Jan Kraak and J{\"u}rgen Roland Friedrich D{\"o}llner},
  title     = {Increasing the usability of pedestrian navigation interfaces by means of landmark visibility analysis},
  booktitle = {Postprints der Universit{\"a}t Potsdam : Mathematisch Naturwissenschaftliche Reihe},
  number    = {599},
  issn      = {1866-8372},
  doi       = {10.25932/publishup-41550},
  institution = {Mathematisch-Naturwissenschaftliche Fakult{\"a}t},
  series    = {Zweitver{\"o}ffentlichungen der Universit{\"a}t Potsdam : Mathematisch-Naturwissenschaftliche Reihe},
  number    = {599},
  type      = {postprint},
  pages     = {523 -- 537},
  year        = {2019},
}