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3. A. Einsten, B. Podolsky andN. Rosen:Phys. Rev.,44, 777 (1953);D. Bohm andY. Aharonov:Phys. Rev.,108, 1070 (1957);E. Schrödinger:Naturwissenschaften,23, 807 (1935).
4. J. S. Bell:Physics,1, 195 (1964);Prog. Sci. Culture,1, 4, 439 (1976), and papers quoted therein.
5. See, for instance,F. M. Pipkin: Harvard University preprint.