1. Craig, L. C., Konigsberg, W., King, T. P. 1961. Peptide chains (A and B) from beef insulin. Biochemical Preparations8:70–75.
2. Frankel-Conrat, H., Harris, J. I., Levy, A. L. 1955. Recent developments in techniques for terminal and sequence studies in peptides and proteins, pp. 359–425. In: Glick, D. (ed.), Methods in biochemical analysis, vol. II. New York: Interscience.
3. Gabriel, O. 1971. Analytical disc gel electrophoresis, pp. 565–578. In: Jakoby, W. B. (ed.) Methods in enzymology, vol. XXII. New York: Academic Press.
4. Griffin, T. B., Wagner, F. W., Prescott, J. M. 1966. Anion exchange chromatography of oxidized insulin peptides. Journal of Chromatography23:280–286.
5. Hayashi, K., Mizunuma, T. 1974. Acid proteinase from soy sauce brewing fungusAspergillus sojae, p. 42. In: Abstract Papers of Agricultural Chemical Society of Japan. Tokyo: Agricultural Chemical Society of Japan.