TY - BOOK AU - Clinard, Lillian A. AU - English, Mary R. AU - Bohm, Robert A. TI - Improving world energy production and productivity SN - 9780884108771 U1 - 333.79 CY - Cambridge PB - Ballinger KW - Economics of Land and Energy / Natural Resources and Energy N1 - Proceedings of the International Energy Symposium, 2ndi981, Knoxville, Jenn ER -