Contact, residue, and vapor toxicity of new insecticides to stored-product insects /
[by Roy D. Speirs].

APA Citation

Speirs, R. D. (Roy Dean). (1962). Contact, residue, and vapor toxicity of new insecticides to stored-product insects. Washington, D.C.: Market Quality Research Division, Agricultural Marketing Service, U.S. Dept. of Agriculture.

MLA Citation

Speirs, Roy D. (Roy Dean), 1928-. Contact, Residue, And Vapor Toxicity of New Insecticides to Stored-product Insects. Washington, D.C.: Market Quality Research Division, Agricultural Marketing Service, U.S. Dept. of Agriculture, 1962.