1. M. Sachs andS. L. Schwebel:Suppl. Nuovo Cimento,21, 197 (1961).
2. M. Sachs andS. L. Schwebel:Nucl. Phys.,43, 304 (1963);M. Sachs: inNucleon Structure, ed.Hofstadter andSchiff (Stanford, 1964), p. 336.
3. G. N. Watson:Theory of Bessel Functions (London, 1945);H. B. Dwight:Tables of Integrals and Other Mathematical Data (London, 1947), p. 187.
4. K. W. Chen, A. Cone, J. Dunning, N. F. Ramsey, J. K. Walker andR. Wilson: inNucleon Structure, ed.Hofstadter andSchiff (Stanford, 1964), p. 55.
5. R. F. Frosch, J. S. McCarthy, R. E. Rand andM. R. Yearian:Phys. Rev.,160, 874 (1967).