Jian Zhou Peter Baumann Evaluation of Complex Cardinality Constraints. 24-40 1992 ER db/conf/er/er92.html#ZhouB92 conf/er/92 er92/ER92-P024.pdf db/conf/er/ZhouB92.html ... conf/er/Baumann89 ... ... ... conf/wi/NeumannCGS87 ...