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1Livestock waste: a renewable resource. Proceedings 4th International Symposium on Livestock Wastes, 1980, Apr 15-17, 1980, Amarillo Civic Center, Amarillo, Tex. Livestock waste: a renewable resource. Proceedings 4th International Symposium on Livestock Wastes, 1980, Apr 15-17, 1980, Amarillo Civic Center, Amarillo, Tex.by American Society of Agricultural Engineers, St. Joseph, MI (USA) eng, International Symposium on Livestock Wastes eng 15-17 Apr 1980 4. Amarillo, Tex. (USA)
Published 1981Texto bibliotecaFAO IT