1. The Radiochemistry of the Elements, Series of on-going volumes, U.S. National Academy of Sciences-National Research Council, Washington, D.C.
2. K. Rengan, R.A. Meyer, to be published as a volume of the above.
3. R.D. Macfarlane, Wm. C. McHarris, Nuclear Spectroscopy and Reactions, J. Cerny(Ed.), Academic Press, New York, 1974, Chapter II.C.
4. G. Hevesv, F.A. Faneth, A Manual of Radioactivity, 2nd Ed., Oxford University Press, London, 1938.
5. O. Hahn, Applied Radiochemistry, Cornell University Press, Ithaca NY, 1936.