1. T. Ikenaka and S. Norioka, in “Proteinase Inhibitors,” ed. by A. J. Barrett and G. Salvesen, Elsevier, Amsterdam, 1986, pp. 361–374.
2. A. F. S. A. Habeeb, in “Methods in Enzymology,” Vol. 25, ed. by C. H. W. Hirs and S. N. Timasheff, Academic Press, New York, 1972, pp. 457^164.