Studies on contact insecticides
By: by Charles H. Richardson and C.R. Smith
Contributors: Smith, Claude Robert, 1882-
Series: Department bulletin / United States Department of Agriculture -- no. 1160; Department bulletin (United States. Dept. of Agriculture) -- no. 1160.
Publisher: U.S. Dept. of Agriculture
Published: 1923
Place of publication: Washington, D.C
Language: eng
Number of pages: 16
Subjects: Insecticides
Notes: Caption title.

Bibliography: p. 15.