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Comparative effectiveness against granary weevil the of contact, fumigation and repellency of pyrenone, pyrethrins, piperonyl butoxide, lindane and DDT /

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1. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486550192263924

Identifer	oai:union.ndltd.org:OhioLink/oai:etd.ohiolink.edu:osu1486550192263924
Date	January 1952
Creators	Zhao, Yangchang.
Publisher	The Ohio State University / OhioLINK
Source Sets	Ohiolink ETDs
Language	English
Detected Language	English
Type	text
Source	http://rave.ohiolink.edu/etdc/view?acc_num=osu1486550192263924
Rights	unrestricted, This thesis or dissertation is protected by copyright: all rights reserved. It may not be copied or redistributed beyond the terms of applicable copyright laws.