[1] G. Birkhoff, J. von Neumann: The logic of quantum mechanics. Annals of Mathematics, 37 (1936), 823-843. MR 1503312 | Zbl 0015.14603

[2] J. Brabec: Compatibility in orthomodular posets. Čas. pěst. mat., 104 (1979), 149-153. MR 0531926 | Zbl 0416.06004

[3] J. Brabec: On some mappings generating vector L-measures. Čas. pěst. mat. 106, (1981), 347-353. MR 0637812 | Zbl 0482.28017

[4] J. Brabec, P. Pták: On compatibility in quantum logics. Foundations of Physics 72, No. 2, (1982), 207-212. MR 0659779

[5] R. Greechie: Orthomodular lattices admitting no states. Journ. Comb. Theory 10, (1971), 119-132. MR 0274355 | Zbl 0219.06007

[6] S. Gudder: Spectral methods for a generalized probability theory. Trans. Amer. Math. Soc. 119, (1966), 428-442. MR 0183657

[7] S. Gudder: Stochastic Methods in Quantum Mechanics. Elsevier North Holland, Inc., 1979. MR 0543489 | Zbl 0439.46047

[8] K. Kuratowski: Topology I. Academic Press, 1966. MR 0217751

[9] T. Neubrunn S. Pulmannovd: Compatibility in quantum logics. to appear in Acta Fac. Rev. Natur. Univ. Comen. Math. 1982. MR 0659779

[10] T. Neubrunn: A note on the quantum probability spaces. Proc. Amer. Math. Soc. 25, no. 3, 1970, 672-675. MR 0259056

[11] P. Pták: An observation on observables. to appear in Acta Polytechnica 1984. MR 0936050

[12] P. Pták: Realcompactness and the notion of observable. J. London Math. Soc. 2, 23, (1981), 534-536. MR 0616560

[13] P. Pták, V. Rogalewicz: Regularly full logics and the uniqueness problem for observables. Ann. Inst. Henri Poincaré, Vol. XXXVIII, no. 1, (1983), 69-74. MR 0700701

[14] R. Sikorski: On the inducing of homomorphisms by mappings. Fund. Math. 36, (1947), 7-22. MR 0031535

[15] M. Šulista: Observables and scales. (Czech), Habilitation, Technical University of Prague, 1974.

[16] S. Ulam: Zur Masstheorie in der allgemeinen Mengenlehre. Fund. Math. 16, (1930), 140-150.

[17] V. Varadarajan: Geometry of Quantum Theory. Vol. 1, Princeton, New Jersey: Van Nostrand Reinhold, 1968. MR 0471674 | Zbl 0155.56802