@article{10_4153_CJM_1982_047_1, author = {Bruns, G\"unter and Greechie, Richard}, title = {Orthomodular {Lattices} {Which} can be {Covered} by {Finitely} {Many} {Blocks}}, journal = {Canadian journal of mathematics}, pages = {696--699}, year = {1982}, volume = {34}, number = {3}, doi = {10.4153/CJM-1982-047-1}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1982-047-1/} }