M. van Kreveld, and J. Luo. Proceedings of the 15th annual ACM international symposium on Advances in geographic information systems, page 44:1--44:4. New York, NY, USA, ACM, (2007)
K. Buchin, M. Buchin, M. van Kreveld, and J. Luo. Proceedings of the 17th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, page 296--305. New York, NY, USA, ACM, (2009)
S. van Dijk, M. van Kreveld, T. Strijk, and A. Wolff. Proc. 19th Internat. Cartographic Conf. (ICA'99), page 905--913. Ottawa, Internat. Cartographic Association, (1999)
M. van Kreveld, {. Schramm, and A. Wolff. Proc. 12th Internat. ACM Symp. Advances in Geographic Information Systems (ACM-GIS'04), page 222--231. ACM Press, New York, (2004)
E. Moet, M. van Kreveld, and A. van der Stappen. SCG '06: Proceedings of the Twenty-Second Annual Symposium on Computational geometry, page 177―186. New York, NY, USA, ACM, (2006)