Plants of possible insecticidal value : a review of the literature up to 1941
[Washington, D.C.], U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1945
1945
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.