@misc{10110,
  author = {G. Misund and Morten D{\ae}hlen},
  title = {On Consistent Modelling of Geographic Information},
  year = {1995},
  journal = {The 5th Scandinavian Conference on Geographical Information systems},
  pages = {100-112,},
  editor = {J.T. Bj{\o}rke},
}