1. Cowling, E. G., and Kirk, T. K. (1976),Biotechnol. Bioeng. Symp. 6, 95.
2. Murtagh, J. E. (1986),Proc. Biochem. 21(2), 61.
3. Venkatasurbramanian, K. and Keim, C. (1985),Starch Conversion Technology, van Beynum, G. M. A. and Roels, J. A., eds., Marcel Dekker, New York, p. 143.
4. National Advisory Panel on Cost-Effectiveness of Fuel Ethanol Production (November, 1987), “Fuel Ethanol Cost Effectiveness Study”.
5. Rothman, H., Greenshields, R., and Calle, F. R. (1983),The Alcohol Economy: Fuel Ethanol and the Brazilian Experience, Francis Pinter, London.