International conference on algebraic and logic programming :Madrid, Levi, G., & Rodriguez Artalejo, M. Algebraic and logic programming: 4th international conference, ALP '94, Madrid, Spain, September 14-16, 1994 : proceedings. Springer.
Chicago-referens (17:e uppl.)International conference on algebraic and logic programming :Madrid, Giorgio Levi, och Mario Rodriguez Artalejo. Algebraic and Logic Programming: 4th International Conference, ALP '94, Madrid, Spain, September 14-16, 1994 : Proceedings. Berlin [etc.]: Springer.
MLA-referens (8:e uppl.)International conference on algebraic and logic programming :Madrid, et al. Algebraic and Logic Programming: 4th International Conference, ALP '94, Madrid, Spain, September 14-16, 1994 : Proceedings. Springer.
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