1. R. P. Feynman,Proceedings, Second Berkeley Symposium on Mathematical Statistics and Probability (University of California Press, Berkeley, 1951).
2. X. Y. Zou, L. J. Wang, and L. Mandel,Phys. Rev. Lett. 67, 3 (1991).
3. G. Lochak,The Wave-Particle Dualism, S. Diner, D. Fargue, G. Lochak, and F. Selleri, eds. (Reidel, Dordrecht, 1984), pp. 1–25.
4. J.-P. Vigier,Found. Phys. 21 (2) (1991).
5. M. Bozic, and Z. Maric,Phys. Lett. A 158, 33–42 (1991).