@article{BaaderBuchheit+-AIJ-1996,
        author     = {F. Baader and M. Buchheit and B. Hollunder},
        title      = {Cardinality Restrictions on Concepts},
        journal    = {Artificial Intelligence},
        volume     = {88},
	number     = {1--2},
	pages      = {195--213},
	freecopy = {yes},
	ccl        = {yes},
        year       = {1996}}