527,575 WILKE C.E. /red./ Cellulose as a chemical and energy resource Cellulose Conference Proceedings,held under the auspices of the National Science Founda- tion,at the University of California at Berkeley,June 25-27,1974.Ed.: C.R.Wilke. Bew York 1975 John Wiley and Sons 8° s. VI, nib. 2, 361. Biotechnology and Bioengineering Symposium no 5