Selenium in agriculture
by M.S. Anderson ... [et al.].
- Washington, D.C. Agricultural Research Service, U.S. Dept. of Agriculture in cooperation with the Geological Survey, U.S. Dept. of the Interior 1961.
- v, 65 p. ill., charts, maps 26 cm.
- Agriculture handbook / United States Department of Agriculture no. 200 .
- Agriculture handbook (United States. Dept. of Agriculture) no. 200. .