Condensed information concerning some of the more important insecticides
Series: Circular / U.S. Department of Agriculture. Division of Entomology -- no. 1, sec. ser.; Circular (United States. Division of Entomology) -- sec. ser., no. 1.
Publisher: U.S. Dept. of Agriculture, Division of Entomology
Published: 1891
Place of publication: Washington
Language: eng
Subjects: Insecticides