TY - BOOK AU - Nelson, Paul A and others, Ed TI - Proceedings of the <25=Twentififth> intersociety energy conversion engineering conference Vol.<5=five>: Renewable Resources systems etc.held on <12=twelve>th - <17=seventeen>th August <1990=one thousand nine hundred ninety> at Reno, Nevada PB - American Institute of chemical Engineers, New York, 1990 ER -