The presence of arsenic in hops
By: by W.W. Stockberger and W.D. Collins
Contributors: Collins, W. D. (William Dennis), b. 1875
Series: Bulletin / United States Department of Agriculture -- no. 568; Bulletin of the U.S. Department of Agriculture -- no. 568.
Publisher: U.S. Dept. of Agriculture
Published: 1917
Place of publication: Washington, D.C
Language: eng
Subjects: Hops; Arsenic
Notes: Joint contribution from the Bureau of Plant Industry and the Bureau of Chemistry.

"Professional paper."