1. Directional Type Checking of Logic Programs;Aiken,1994
2. Towards a Meaning of LIFE;Aït-Kaci;Journal of Logic Programming,1993
3. LeFun: Logic, Equations and FUNctions;Aït-Kaci,1987
4. Logic Programming—Proceedings of the Joint International Symposium and Conference,1992
5. Declarative Programming in Prolog;Apt,1993