1. 2) van den Burg B and Eijsink VG, “Handbook of Proteolytic Enzymes” 2nd ed. Vol. 1, eds. Barrett JA, Rawlings ND, and Woessner JF, Elsevier, Amsterdam, pp. 374–387 (2004).
2. 3) Inouye K, “Handbook of Food Enzymology,” eds. Whitaker JR, Voragen AGJ, and Wong DWS, Marcel Dekker, New York, pp. 1019–1028 (2003).
3. 22) Hanzawa S and Kidokoro S, “Encyclopedia of Bioprocess Technology: Fermentation, Biocatalysis, and Bioseparation,” eds. Flickinger MC and Drew SW, John Wiley & Sons, New York, pp. 2527–2535 (1999).