FME 2002: Formal Methods - Getting IT Right International Symposium of Formal Methods Europe, Copenhagen, Denmark, July 22-24, 2002 Proceedings Eriksson Lars-Henrik Heftet / 2002 / Engelsk
Extensions of Logic Programming Second International Workshop, ELP '91, Stockholm, Sweden, January 27-29, 1991. Proceedings Eriksson Lars-Henrik Heftet / 1992 / Engelsk
