%0 Journal Article %A Iturrioz, Luisa %T Orthomodular ordered sets and orthogonal closure spaces %J Portugaliae mathematica %D 1980 %P 477-488 %V 39 %N 1-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1980__39_1-4_115435/ %G en %F PORMA_1980__39_1-4_115435