1. Hendy, N., Wilke, C., and Blanch, H. (1982). Biotechnology Letters, 4, 785?788.
2. Hendy, N.A., Wilke, C.R., and Blanch, H.W. (1984). Enzyme and Microbial Technology, 6, 73?77.
3. Herbert, D., Phipps, P.J., and Strange, R.E. (1971). Chemical Analysis of Microbial Cells. In: Methods in Microbiology, J.R. Morris and D.W. Ribbons, eds. vol. 5B, pp 209?344, London: Academic Press.
4. Mandels, M., Andreotti, R., and Roche, C. (1976). Measurement of Saccharifying Cellulase. In: Biotechnology and Bioengineering Symposium, E.L. Gaden Jr., M.H. Mandels, E.T. Reese and L.A. Spano, Eds. No. 6, pp 21?33, New York: Wiley.
5. Updegraff, D.M. (1969). Analytical Biochemistry, 32, 420?424.