1. A. K. PERKONS, R. E. JERVIS, Proc. 2nd. Intern. Conf. Modern Trends in Activation Analysis, Texas A and M University, Tx., 1965, p. 295.
2. R. E. JERVIS, Trans. Amer. Nucl. Soc., 10 (1967) 66.
3. A. K. PERKONS, Ph. D. thesis, Univ. of Toronto, Toronto, 1965.
4. R. E. JERVIS, Proc. Intern. Symp. Nuclear Activation Techniques in Life Sciences, IAEA, Vienna, 1967 p. 645.
5. D. GIBBONS, J. Forensic Sci. Soc., 4 (1963) 33.