1. Hepburn, F. N., E. W. Lewis &C. A. Elvehjem, 1957. The amino acid content of wheat, flour and bread.Cereal Chem., 5,312?322.
2. Miller, B. S., J. Y. Seiffe, J. A. Shellenberger &G. D. Miller, 1950. Amino acid content of various wheat varieties I. Cystine, Lysine, Methionine and Glutamic acid.Cereal Chem. 27,96?106.
3. Gunthardt, H. &J. McGinnis, 1957. Effect of nitrogen fertilization on amino acids in whole wheat.J. Nutrit. 61,167?176.
4. Price, S. A., 1950. The amino acid composition of whole wheat in relation to its protein content.Cereal Chem. 27,73?74.
5. Mo Elroy, D. R. Clandinin, W. Lobay &S. I. Pethybridge, 1949. Nine essential amino acids in pure varieties of wheat.J. Nutrit. 37,329?336.