Source : Free On-Line Dictionary of Computing

ConstraintLisp
     
         An {object-oriented} {constraint} language based on
        {CSP}.  An extension of {Common Lisp} and {CLOS}.
     
        ["ConstraintLisp: An Object-Oriented Constraint Programming
        Language", Bing Liu (ex [email protected]) et al, SIGPLAN
        Notices 27(11):17-26, Nov 1992].
     
        (2000-04-02)