1. Grayer, A. R., 1976, “A Computer Link Between Design and Manufacture,” Ph.D. Dissertation, University of Cambridge.
2. Kyprianou, L., 1980, “Shape Classification in Computer-Aided Design,” Ph.D. Dissertation, University of Cambridge.
3. Corney, J., and Clark, D., 1991, “Method for Finding Holes and Pockets that Connect Multiple Faces in 212 D Objects,” Comput.-Aided Des., 26, No. 3, pp. 215–224.
4. Sridharan N., 2000, “Classification, Parametrization, and Recognition of NC Machining Features with Sculptured Surfaces,” MS Thesis, Mechanical Engineering, Arizona State University, May, 2000.
5. Ansaldi, S., De Floriani, L., and Falcidieno, B., 1985, “Geometric Modeling of Solid Objects by Using a Face Adjacency Graph Representation,” Proc. Siggraph ’85, Computer Graphics, 19, No. 3, pp. 131–139.