The following bibliography has been generated by automated services. BHL uses taxonomic intelligence tools to locate, verify, and record scientific names located within the text of each digitized page in the BHL digital collection.
|List of intercepted plant pests, 1969 (pests recorded from July 1, 1968, through June 30, 1969) / ; no.82-6-4||1971||Hyattsville, Md. :U.S. Dept. of Agriculture, Agricultural Research Service,1971.||3|
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