1. Constrained Objects;Horn,1993
2. Modeling engineering structures with constrained objects;Jayaraman,2002
3. Object logic integration: a multiparadigm design methodology;Lee;Comput. Lang.,1997
4. The Specification and Generation of Constraint Satisfaction Systems;Leler,1987
5. Prolog++: The Power of Object-Oriented and Logic Programming;Moss,1994