Frank K. H. A. Dehne Andrew Rau-Chaplin Jörg-Rüdiger Sack Roberto Tamassia Algorithms and Data Structures, 5th International Workshop, WADS '97, Halifax, Nova Scotia, Canada, August 6-8, 1997, Proceedings WADS Lecture Notes in Computer Science 1272 Springer 1997 3-540-63307-3 db/conf/wads/wads97.html