Hydrocyanic-acid gas against household insects
By: by L.O. Howard and C.H. Popenoe
Series: Farmers' bulletin / United States Department of Agriculture -- no. 699; Farmers' bulletin (United States. Department of Agriculture) -- no. 699
Publisher: U.S. Dept. of Agriculture
Published: 1916
Place of publication: Washington, D.C
Language: eng
Subjects: Hydrocyanic acid gas; Household pests; Control
Other titles: Hydrocyanic acid gas against household insects.
Notes: Caption title.

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