1. W. Z. Hassid and S. Abraham, “Methods in Enzymology,” Vol. Ill, ed. by S. P. Colowick and N. O. Kaplan, Academic Press Inc., New York, N. Y., 1957, p. 37.
2. S. A. Orrell, Jr., E. Bueding and M. Reissig, “Ciba Foundation Symposium on Control of Glycogen Metabolism,” ed. by W. J. Whelan and M. P. Cameron, Churchill, London, 1964, p. 29.