1. Akers, D. (1985). InProceedings of the Oregon Meeting, Rudolph C. Hwa, ed., World Scientific, Singapore.
2. Akers, D., and Akers, D. O. (1984).Physical Review D,29, 1026.
3. Amaldi, E. (1968). InOld and New Problems in Elementary Particles, G. Puppi, ed., Academic Press, New York.
4. Anderson, E. (1971).Modern Physics and Quantum Mechanics, W. B. Saunders, Philadelphia.
5. Barut, A. O. (1979).Physical Review Letters,42, 1251.