1. Differential Topology with a View to Applications;Chillingworth,1976
2. Automatic surface generation in computer aided design;Hoffmann;The Visual Computer,1985
3. Quadratic blending surfaces;Hoffmann;Computer-aided Design,1986
4. The potential method for blending surfaces and corners;Hoffmann,1987
5. Practical Analytic Geometry with Applications to Aircraft;Liming,1944