Selenium occurrence in certain soils in the United States, with a discussion of related topics :
sixth report /
by H.W. Lakin and H.G. Byers.

APA Citation

Lakin, H. W. (Hubert William)., Byers, H. G. (Horace Greeley). (1941). Selenium occurrence in certain soils in the United States, with a discussion of related topics: sixth report. Washington: U.S. Dept. of Agriculture.

MLA Citation

Lakin, Hubert W. (Hubert William), 1907-, and Horace G. (Horace Greeley) Byers. Selenium Occurrence In Certain Soils In the United States, With a Discussion of Related Topics: Sixth Report. Washington: U.S. Dept. of Agriculture, 1941.

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