Abstracts of recent foreign and domestic patents relating to derris, lonchocarpus, tephrosia, and rotenone :
(First supplement to E-446) /
by R.C. Roark.
Description
- Language(s)
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English
- Published
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[Washington, D.C. : United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1940]
- Note
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"October 1940."
"E-514."
Caption title.
Also available in electronic format.
- Physical Description
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43 p. ;
27 cm.
Viewability
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State University System of Florida
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