[1] L. Beran: 
Orthomodular lattices (Algebraic approach). D. Reidel Publishing Company, Dordrecht - Boston, 1985. 
MR 0784029 | 
Zbl 0558.06008[2] L. Beran: 
Distributivity in finitely generated orthomodular lattices. Commentationes Mathematicae Universitatis Carolinae, 28, 3, p.433-435, 1987. 
MR 0912572 | 
Zbl 0624.06008[3] T. S. Blyth M. F. Janowitz: 
Residuation theory. Pergamon Press, Oxford, 1972. 
MR 0396359[4] G. Chevalier: 
Relations binaires et congruences dans un treillis orthomodulaire. C.R. Acad. Paris, t 286, serie 1, p. 785-788, 1983. 
MR 0711831 | 
Zbl 0528.06011[5] P. D. Finch: 
Congruence relations in orthomodular lattices. J. Austral. Math. Soc, 6, p. 46-54, 1966. 
MR 0197369[6] E. L. Marsden, Jr.: 
The commutator and solvability in a generalized orthomodular lattice. Pac. J. Math., Vol. 33, N° 2, p. 357-361, 1970. 
MR 0263712 | 
Zbl 0234.06004[7] S. Pulmannová: 
Commutators in orthomodular lattices. Demonstratio Mathematica, Vol XVIII, N° 1, p. 187-208, 1985. 
MR 0816029[8] Y. Rav: Prime separations and semiprime ideal  in lattices under minimal set-theoretical assumptions. Prépublications de l'Université de Paris-Sud 86T11,   1986.