1. L. de Broglie,C. R. Acad. Sci. (Paris) 183, 447 (1926);185, 580 (1927).
2. L. de Broglie,Nonlinear Wave Mechanics (Elsevier, Amsterdam, 1960).
3. D. Bohm,Phys. Rev. 85, 166, 180 (1952).
4. N. Cufaro-Petroni and J. P. Vigier,Found. Phys. 22, 1 (1992).
5. P. Ghose, D. Home, and G. S. Agarwal,Phys. Lett. A 158, 8–9 (1991).