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Filters: Keyword is Woolly adelgids and Author is Amman, Gene D  [Clear All Filters]
1963
Amman, Gene D.. Progress Report: Evaluation of Laricobius Pilot Test, 1963. Asheville, NC: U.S. Department of Agriculture, Forest Service, 1963.
1965
Amman, Gene D., and Charles F. Speers. "Balsam Woolly Aphid in the Southern Appalachian." Journal of Forestry 77, no. 5 (1965): 1154-1158.