%0 Journal Article %A Bruns, Günter %A Kalmbach, Gudrun %T Varieties of Orthomodular Lattices. II %J Canadian journal of mathematics %D 1972 %P 328-337 %V 24 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1972-027-4/ %R 10.4153/CJM-1972-027-4 %F 10_4153_CJM_1972_027_4