@article{AIHPA_1981__34_4_373_0,
     author = {Guz, Wawrzyniec},
     title = {Projection postulate and superposition principle in non-lattice quantum logics},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {373--389},
     publisher = {Gauthier-Villars},
     volume = {34},
     number = {4},
     year = {1981},
     mrnumber = {625169},
     zbl = {0473.03056},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AIHPA_1981__34_4_373_0/}
}