1. A. Einstein, quoted by J. M. Jauch inFoundations of Quantum Mechanics (Addison-Wesley, Reading, Massachusetts, 1968), p. 111.
2. W. Pauli, quoted by J. M. Jauch inFoundations of Quantum Mechanics (Addison-Wesley, Reading, Massachusetts, 1968), p. 111.
3. E. Schrödinger, “What is a law of nature?”, inScience, Theory and Man (Dover, New York, 1957), p. 133.
4. A. Einstein, B. Podolsky, and N. Rosen,Phys. Rev. 47, 777 (1935).
5. G. C. Ghirardi, A. Rimini, T. Weber, and C. Omero,Nuovo Cimento B 39, 130 (1977).