@inproceedings{TimpfHeye2019,
  author    = {Sabine Timpf and Corinna Heye},
  title     = {Complexity of routes in multi-modal wayfinding [extended abstract]},
  booktitle = {GIScience 2002, Boulder, CO, USA, September 25-28, 2002},
  editor    = {M. J. Egenhofer and D. M. Mark and M. Goodchild},
  year      = {2019},
}