@article{MV_1975_27_4_a0,
     author = {L. A. Cammack},
     title = {A new characterization of orthomodular partially ordered sets},
     journal = {Matemati\v{c}ki vesnik},
     pages = {319 },
     publisher = {mathdoc},
     volume = {27},
     number = {4},
     year = {1975},
     url = {http://geodesic.mathdoc.fr/item/MV_1975_27_4_a0/}
}