@article{RueetschiTimpf2005,
  author    = {Urs-Jakob R{\"u}etschi and Sabine Timpf},
  title     = {Modelling wayfinding in public transport: network space and scene space},
  journal   = {Lecture Notes in Computer Science},
  volume    = {3343},
  pages     = {24 -- 41},
  doi       = {10.1007/978-3-540-32255-9_2},
  year      = {2005},
}