1. A. Meister, “Biochemistry of the Amino Acids,” Vols. I and II, Academic Press, New York, 1965.
2. J. H. Kaplan and H. C. Pitot, “Mammalian Protein Metabolism,” Vol. IV, ed. by H. N. Munro, Academic Press, New York and London, 1970.
3. M. Yoshida, “Design of Experiments of Animal Husbandry,” Yokendo Co., Tokyo, 1975, p. 84.