1. See, for example,G. Jacob andTh. A. Maris:Rev. Mod. Phys.,38, 121 (1966), and the references quoted therein.
2. L. D. Faddeev:Sov. Phys. JETP,12, 1014 (1961);A. N. Mitra:Nucl. Phys.,32, 529 (1962);A. N. Mitra andV. S. Bhasin:Phys. Rev.,131, 1265 (1963);R. D. Amado:Phys. Rev.,132, 485 (1963);C. Lovelace:Phys. Rev.,135, B 1225 (1964);A. O. Alt, P. Grassberger andW. Sandhas:Nucl. Phys.,2 B, 167 (1967).
3. R. D. Bondelid, R. G. Allas, L. A. Beach, J. M. Lambert, E. L. Peterson, I. Slaus andD. L. Shannon: inProceedings of the International Conference on Few Particle Problems in Nuclear Interactions, edited byI. Slaus, S. A. Moszkowski, R. P. Haddok andW. T. H. van Oers (Amsterdam, 1972), p. 699;H. H. Forster, M. Furic, C. C. Kim, D. Y. Park, M. Epstein, J. R. Richardson, I. Slaus andJ. Verba: inProceedings of the International Conference on Few Particle Problems in Nuclear Interactions, edited byI. Slaus, S. A. Moszkowski, R. P. Haddock andW. T. H. van Oers (Amsterdam, 1972), p. 624.
4. M. Jain, S. N. Bunker, C. A. Miller, J. M. Nelson andW. T. H. Van Oers: inProceedings of the International Conference on Few Particle Problems in Nuclear Interactions, edited byI. Slaus, S. A. Moszkowski, R. P. Haddock andW. T. H. van Oers (Amsterdam, 1972), p. 655; also see ref. (3).
5. M. Nomoto:Nucl. Phys.,81, 180 (1966).