2
Published 1992
Springer Berlin Heidelberg
... on Programming Language Implementation and Logic Programming (PLILP '92) held in Leuven, Belgium, August 26-28...

3
Published 2004
Springer Berlin Heidelberg
... held in Manchester, UK (1991, 1992, 1998), Louvain-la-Neuve, Belgium (1993), Pisa, Italy (1994), Arnhem...