1. Production, Isolation, and Economics of Extracellular Enzymes
2. Production of Intracellular Microbial Enzymes
3. Wang, D.I.C., Cooney, C.L., Demain, A.L., Dunnill, P., Humphrey, A.E., and Lilly, M.D. 1979. p. 238–310 Fermentation & Enzyme Technology. Wiley & Sons, New York.
4. Scawen, M.D., Atkinson, A., and Darbyshire, J. 1980. Large-scale enzyme purification, p. 281–325. In: Applied Protein Chemistry, Grant, R.A. (ed.), Applied Science Publishers, London.