Tom Schrijvers, Frank Raiser, Thom Frühwirth,
"CHR 2008, Fifth Workshop on Constraint Handling Rules"
, Serie RISC Report Series, Nummer 8-10, RISC, JKU-Linz, Schloss Hagenberg, 4232 Hagenberg, 2008
Original Titel:
CHR 2008, Fifth Workshop on Constraint Handling Rules