1. Principles of interactive computer graphics;Newman,1973
2. Representation of rigid solid objects;Requicha,1980
3. Geometric Modelling-ten years on;Braid;University of Cambridge CAD Group Document No. 103,1979
4. Detecting and eliminating collisions in NC machinging;Anderson;Comput.-Aided Des.,1978
5. The Automatic Production of Machined Components Starting from a Stored Geomeric Description;Grayer;University of Cambridge CAD Group Document No. 88,1975