A review of the insecticidal uses of rotenone and rotenoids from derris, lonchocarpus (cube and timbo), tephrosia, and related plants. Part IV, Hemiptera
[Washington, D.C.], [U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine], [1943]
1943
University of Florida, George A. Smathers Libraries with support from LYRASIS and the Sloan Foundati
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Public domain. The BHL considers that this work is no longer under copyright protection.