Catuscia Palamidessi Hugh Glaser Karl Meinke Principles of Declarative Programming, 10th International Symposium, PLILP'98 Held Jointly with the 7th International Conference, ALP'98, Pisa, Italy, September 16-18, 1998, Proceedings PLILP Lecture Notes in Computer Science 1490 Springer 1998 3-540-65012-1 db/conf/plilp/plilp98.html