@article{KrispKeler2015,
  author    = {Jukka M. Krisp and Andreas Keler},
  title     = {Car navigation - computing routes that avoid complicated crossings},
  journal   = {International Journal of Geographical Information Science},
  volume    = {29},
  number    = {11},
  pages     = {1988 -- 2000},
  doi       = {10.1080/13658816.2015.1053485},
  year      = {2015},
}