Voelker, Stanley W.; Taylor, Fred R.; Ostenson, Thomas K. - Department of Agribusiness and Applied Economics, North … - 1978
Economics Report No. 117, Department of Agricultural Economics, North Dakota State University, December, 1976. The research on … which this report is based was conducted for the U.S. Environmental Protection Agency by the Economics, Statistics, and … Cooperatives Service of the U.S. Department of Agriculture in cooperation with the Department of Agricultural Economics at North …