1. A. Shimony, inPhilosophical Consequences of Quantum Theory: Reflections on Bell's Theorem, J. T. Cushing and E. McMullin, eds. (University of Notre Dame Press, Notre Dame, Indiana, 1989).
2. J. S. Bell, inQuantum Gravity 2, C. Isham, R. Penrose, and D. Sciama eds. (Claredon Press, Oxford, 1981).
3. G. C. Ghirardi, A. Rimini, and T. Weber,Phys. Rev. D 34, 470 (1986).
4. P. Pearle,Phys. Rev. A 39, 2277 (1989); G. C. Ghirardi, P. Pearle, and A. Rimini,Phys. Rev. A 42, 78 (1990); G. C. Ghirardi and A. Rimini, inSixty-Two Years of Uncertainty, A. Miller ed. (Plenum, New York, 1990).
5. A. Shimony, inPSA 1990, Vol. 2, A. Fine, M. Forbes, and L. Wessels, eds. (Philosphy of Science Association, East Lansing, Michigan, 1991).