1. Conic, cubic and T-conic segments;Rowin,1964
2. Homogeneous matrix representation and manipulation of N-dimensional constructs;Roberts,1965
3. Surfaces for computer-aided design of space forms;Coons;MAC-TR-41,1967
4. Curves and surfaces for computer-aided design;Forrest,1968
5. Computer-aided design application of the rotional B-spline approximation form;Versprille,1975