Algorithms and Data Structures 6th International Workshop, WADS'99 Vancouver, Canada, August 11-14, 1999 Proceedings - Dehne, Frank; Dehne, Frank; Gupta, Arvind; Gupta, Arvind; Sack, Jörg-Rüdiger; Sack, Jörg-Rüdiger; Tamassia, Roberto; Tamassia, Roberto (Springer Berlin Heidelberg : Imprint: Springer, 1999)