[1] BERAN L.: Orthomodular Lattices. Algebraic Approach, Academia/Reidel, Prague/Dordrecht, 1984. MR 0785005

[2] CHAJDA I.: Pseudosemirings induced by ortholattices. Czechoslovak Math. J. 46 (1996), 405-411. MR 1408295 | Zbl 0879.06003

[3] CHAJDA I.-EIGENTHALER G.: A note on orthopseudorings and Boolean quasirings. Österreich. Akad. Wiss. Math.-Natur. Kl. Sitzungsber. II 207 (1998), 83-94. MR 1749914 | Zbl 1040.06003

[4] CHAJDA I.-LÄNGER H.: Ring-like operations in pseudocomplemented semilattices. Discuss. Math. Gen. Algebra Appl. 20 (2000), 87-95. MR 1782088 | Zbl 0968.06004

[5] DILWORTH R. P.: The structure of relatively complemented lattices. Ann. of Math. (2) 51 (1950), 348-359. MR 0033795 | Zbl 0036.01802

[6] DORFER G.: Some properties of congruence relations on orthomodular lattices. Discuss. Math. Gen. Algebra Appl. 21 (2001), 57-66. MR 1868617 | Zbl 1011.06011

[7] DORNINGER D.-LÄNGER H.-MACZYNSKI M.: The logic induced by a system of homomorphisms and its various algebraic characterizations. Demonstratio Math. 30 (1997), 215-232. MR 1446613 | Zbl 0879.06005

[8] DORNINGER D.-LÄNGER H.-MACZYNSKI M.: On ring-like structures occurring in axiomatic quantum mechanics. Österreich. Akad. Wiss. Math.-Natur. Kl. Sitzungsber. II 206 (1997), 279-289. MR 1632939

[9] DORNINGER D.-LÄNGER H.-MACZYNSKI M.: On ring-like structures induced by Mackey's probability function. Rep. Math. Phys. 43 (1999), 499-515. MR 1713402 | Zbl 1056.81004

[10] DORNINGER D.-LÄNGER H.-MACZYNSKI M.: Lattice properties of ring-like quantum logics. Internat. J. Theoret. Phys. 39 (2000), 1015-1026. MR 1779170 | Zbl 0967.03055

[11] DORNINGER D.-LÄNGER H.-M4CZYNSKI M.: Concepts of measures on ring-like quantum logics. Rep. Math. Phys. 47 (2001), 167-176. MR 1836328 | Zbl 0980.81009

[12] DORNINGER D.-LÄNGER H.-MACZYNSKI M.: Ring-like structures with unique symmetric difference related to quantum logic. Discuss. Math. Gen. Algebra Appl. 21 (2001), 239-253. MR 1894319 | Zbl 1014.81003

[13] JANOWITZ M. F.: A note on generalized orthomodular lattices. J. Natur. Sci. Math. 8 (1968), 89-94. MR 0231762 | Zbl 0169.02104

[14] KALMBACH G.: Orthomodular Lattices. Academic Press, London, 1983. MR 0716496 | Zbl 0528.06012

[15] LÄNGER H.: Generalizations of the correspondence between Boolean algebras and Boolean rings to orthomodular lattices. Tatra Mt. Math. Publ. 15 (1998), 97-105. MR 1655082 | Zbl 0939.03075

[16] PTÁK P.-PULMANNOVÁ S.: Orthomodular Structures as Quantum Logics. Kluwer Acad. Publ., Dordrecht, 1991. MR 1176314 | Zbl 0743.03039