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. Department of Agriculture) ; no. 200. .