1. Integrating sculptured surfaces into a polyhedral solid modeling system;Lichten,1987
2. Design methods of free-form surfaces and their integration into the solid modeling package Geomap-lll;Kimura,1984
3. The role of surfaces in solid modeling;Goldman,1987
4. Introducing sculptured surfaces into a geometric modeler;Rockwood,1984
5. Design techniques for the definition of solid objects with free-form geometry;Várady;Comput.-Aided Geometric Des.,1984