1. G. Breit andM. E. Ebel:Phys. Rev.,103, 679 (1956);104, 1030 (1956).
2. D. A. Bromley:Nucleonics,21, 48 (1963);R. J. Van de Graaff andD. A. Bromley:Proceedings of the International Conference on Heavy Ion Physics (Dubna, 1966).
3. H. E. Conzett andB. G. Harvey:Nucleonics,24, 48 (1966).
4. J. O. Newton:Nuclear Structure and Electromagnetic Interactions, Scottish Universities’ Summer School, edited byN. MacDonald (Edinburg and London, 1964), p. 287.
5. D. Bodansky:Ann. Rev. Nucl. Sci.,12, 79 (1962);T. Ericson:Adv. Phys.,63, 479 (1960).