Selenium occurrence in certain soils in the United States, with a discussion of related topics; Fourth report
Williams, K.T., Lakin, H.W., Byers, Horace G.
Selenium occurrence in certain soils in the United States, with a discussion of related topics; Fourth report - Washington 1940 - 1-60 p. - Selinium, Soils United States Department of Agriculture. Technical Bulletin No. 702 .
Selenium occurrence in certain soils in the United States, with a discussion of related topics; Fourth report - Washington 1940 - 1-60 p. - Selinium, Soils United States Department of Agriculture. Technical Bulletin No. 702 .