Abstracts of recent foreign and domestic patents relating to derris, lonchocarpus, tephrosia, and rotenone :
(First supplement to E-446) /
by R.C. Roark.

Description

Main Author: Roark, R. C. (Ruric Creegan)
Related Names: United States. Bureau of Entomology and Plant Quarantine.
Language(s): English
Published: [Washington, D.C. : United States Department of Agriculture, Bureau of Entomology and Plant Quarantine, 1940]
Subjects: Rotenone > Rotenone / Abstracts.
Legumes > Legumes / Abstracts.
Entomology > Entomology / Patents > Entomology / Patents / Abstracts.
Note: "October 1940."
"E-514."
Caption title.
Also available in electronic format.
Physical Description: 43 p. ; 27 cm.
Locate a Print Version: Find in a library

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