Proceedings of the fiftteenth annual symposium on Ccmputational geometry /

nork Symposium on Computational Geometry, Association for Computing Machinery.
Argitaratua 1999.

Proceedings of the sixteenth annual symposium on computational geometry /

nork Symposium on Computational Geometry, Asssociation for Computing Machinery. Special Interest Groups for Graphical and Algorithms and Computational Theory.
Argitaratua 2000.