[1] J. G. Cramer, Reviews of Modern Physics 58, 647 (1986).
[2] M. Born and A. Einstein, The Born-Einstein Letters, Walker, New York (1979).
[3] M. Jammer, The Philosophy of Quantum Mechanics, Wiley, New York, (1974).
[4] Th. Görnitz and C. F. von Weizsäcker, Intl. J. Theoretical Physics 27, 237 (1988).
[5] J. D. Bjorken and S. D. Drell, Relativistic Quantum Mechanics, McGraw-Hill, New York (1965).
[6] J. von Neumann, Mathematische Grundlagen der Quantenmechanische, Springer, Berlin (1932).
[7] L. E. Ballentine, Intl. J. Theoretical Physics 27, 211 (1988).
[8] R. B. Partridge, Nature 244, 263, (1973).
[9] H. Pagels, The Cosmic Code, Bantam, New York (1980).
[10] C. L. Bennett, Phys. Rev. A35, 2409 (1987).
[11] C. L. Bennett, Phys. Rev. A35, 2420 (1987).