Proceedings of the Eighth Annual Convention of the Association of Official Agricultural Chemists Held at the Columbian University, Washington, D.C. August 13, 14, and 15, 1891
1891
Proceedings of the Eighth Annual Convention of the Association of Official Agricultural Chemists Held at the Columbian University, Washington, D.C. August 13, 14, and 15, 1891
United States. Department of Agriculture
1891
253 p
