@article{MASLO_1997__47_4_a2,
     author = {Habil, Eissa D.},
     title = {Morphisms and pasting of orthoalgebras},
     journal = {Mathematica slovaca},
     pages = {405--416},
     publisher = {mathdoc},
     volume = {47},
     number = {4},
     year = {1997},
     mrnumber = {1796953},
     zbl = {1057.81005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1997__47_4_a2/}
}