@incollection{RehrlHaeuslerSteinmannetal.2011,
  author    = {Karl Rehrl and Elisabeth H{\"a}usler and Renate Steinmann and Sven Leininter and Daniel Bell and Michael Weber},
  title     = {Pedestrian Navigation with Augmented Reality, Voice and Digital Map: Results from a Field Study assessing Performance and User Experience},
  booktitle = {Lecture Notes in Cartography and Geoinformation. Special volume},
  year      = {2011},
}