1. Proceedings of the Symposium on the Pretreatments of Ligno-Cellulosic Materials, New Zealand, March 1985, IEA/FE Project CPD-2.
2. Prehydrolysis of hardwoods with dilute sulfuric acid
3. and ?Similarities and differences in pretreating woody biomass by steam explosion, wet oxidation, autohydrolysis, and rapid steam hydrolysis/continuous extraction,? Proceedings of the Energy from Biomass and Wastes VIII, (Institute of Gas Technology, Chicago, IL. 1984). pp. 1171-98.
4. U. S. Patent 4,237,226 (1980).