1. Romulus—the design of a geometric modeler;Veenman;Pres. CAM-I Geometric Modelling Sem.,1979
2. Webster's Ninth New Collegiate Dictionary,1983
3. Designing with features: the origin of features;Dixon,1988
4. Computers and Intractability: A Guide to the Theory of NP-Completeness;Garey,1979
5. An n log n algorithm for determining the congruity of polyhedra;Sugihara;J. Comput. & Syst. Sci.,1984