[1] BRUNS G., KALMBACH G.: Some remarks on free orthomodular lattices. Pгoc. Univ. Houston Lattice Theory Conf., Houston (1973), 397-408. MR 0401564 | Zbl 0439.06004

[2] GREECHIE R. J.: Oгthomodular lattices admitting no states. J. Comb. Theory, Ser. A 10 (1971), 119-132. MR 0274355

[3] GUDDER S. P.: Stochastic Methods in Quantum Mechanics. North Holland, New Yoгk, 1979. MR 0543489 | Zbl 0439.46047

[4] KALMBACH G.: Orthomodular Lattices. Academic Press, London, 1984. MR 0716496 | Zbl 0538.06009

[5] NAVARA M., ROGALEWICZ V.: The pasting constructions for orthomodular posets. Math. Nachr. (To appear). MR 1138377 | Zbl 0767.06009

[6] PTÁK P., PULMANNOVÁ S.: Kvantové logiky. Veda, Bгatislava, 1989; English translation: Orthomodular Stгuctures as Quantum Logics. Kluwer Academic Publ, Dordrecht-Boston-London, 1991. MR 1176313