1. T. R. Stengle and J. D. Baldeschwieler, Proc. Natl. Acad. Sci. U.S. 55, 1020 (1966).
2. T. J. Stone, T. Buckman, P. L. Nordio, and H. M. McConnell, Proc. Natl. Acad. Sci. U.S. 54, 1010 (1965).
3. R. F. Steiner and H. Edelhoch, Chem. Rev. 62, 457 (1962).CHREAY0009-2665
4. See M. E. Rose, Elementary Theory of Angular Momentum (John Wiley & Sons, Inc., New York, 1957), Chap. 4.
5. A. Abragam, The Principles of Nuclear Magnetism (Oxford University Press, London, 1961), Chap. 8.