Geometric modelling : theoretical and computational basis towards advanced CAD applications : IFIP TC5/WG5.2 sixth international workshop on geometric modelling : December 7-9, 1998, Tokyo, Japan. : Dec 1998, Tokyo, Japan.
Geometric modelling : theoretical and computational basis towards advanced CAD applications : IFIP TC5/WG5.2 6th international workshop on geometric modelling : December 7-9, 1998, Tokyo, Japan