1. Applequist, J. and Doty, P.: 1962, in Polyaminoacids, Polypeptides and Proteins, Univ. Wisc. Press, Madison, p. 165.
2. Bamford, C. H., Brown, L., Elliott, A., Hanby, W. E., and Trotter, I. F.: 1954, Nature
173, 27.
3. Blout, E. R. and Idelson, M.: 1956, J. Am. Chem. Soc.
78, 3857.
4. Byk, A.: 1904, Z. Phys. Chemie
49, 641.
5. Campbell, A. N. and Garrow, F. C.: 1930, Trans. Farad. Soc.
26, 560.