1. See, for instance, M. Jammer: The Philosophy of Quantum Mechanics (Wiley, New York 1974), or E.P. Wigner: In Quantum Theory and Measurement (Princeton University Press, Princeton, NJ 1983)
2. For a general review, see F.J. Belinfante: A Survey of Hidden Variables Theories (Pergamon Press, New York, 1973). See also, for instance, P. Droz-Vincent: Phys. Rev. D19,702 (1979) and J.-P. Vigier: Lett. Nuovo Cim. 24, 258 (1979)
3. D. Bohm: Wholeness and the Implicate Order (Routledge and Kegan Paul, London 1980) Chap. 4
4. D. Bohm, B. Hiley: Found. Phys. 5, 93 (1975)
5. J.S. Bell: Physics 1, 195 (1964)