Insecticide studies. I. II. III. Pyrethrum powders containing poisonous metals. A compilation of analyses of insecticides and fungicides. State laws governing the composition and sale of insecticides.
By J.K. Haywood ...
- Washington, Govt. Print. Off., 1903.
- 63 p. incl. tables. 23 cm.
- U.S. Dept. of Agriculture. Bureau of Chemistry. Bulletin no. 76 .
- United States. Division of Chemistry. Bulletin ; no. 76. .