TY - BOOK T1 - Commutator theory for congruence modular varieties / DA - 1987. CY - Cambridge [Cambridgeshire] ; CY - New York : AU - Freese, Ralph S., AU - McKenzie, Ralph. CN - QA251 .F685 1987 CN - QA251 PB - Cambridge University Press, PP - Cambridge [Cambridgeshire] ; PP - New York : PY - 1987. N1 - Includes indexes. ID - 125725 KW - Algebra, Universal. KW - Algebraic varieties. KW - Congruence lattices. SN - 0521348323 (pbk.) : TI - Commutator theory for congruence modular varieties / ER -