1. L. Anderson, “The Carbohydrates Chemistry and Biochemistry,” 2nd Ed., Vol. IA, ed. by W. Pigman and D. Horton, Academic Press, New York and London, 1972, p. 519.
2. G. N. Catravas, “Automation in Analytical Chemistry,” Technicon Symposia 1966, Vol. I, Mediad Incorporated, 1967, p. 397.
3. L. Houge and R. S. Theobald, “Methods in Carbohydrate Chemistry,” Vol. II, ed. by R. L. Whistler and M. L. Wolfrom, Academic Press Inc., New York and London, 1963, p. 203.