1. E.T. Jaynes, Stanford Microwave Laboratory Report #502 (May 1958).
2. E.T. Jaynes in Quantum Electronics, ed. C.H. Townes, ( Columbia University Press, New York, 1960 ) p. 287.
3. E.T. Jaynes and F.W. Cummings, Proc. IEEE 51, 89 (1963).
4. J.H. Eberly, Ph.D. Thesis, Stanford University (1962).
5. M.J. Duggan, Ph.D. Thesis, Stanford University (1963).