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Agriculture handbook no.616-625(1984)
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Spruce budworm parasites in Maine: a reference manual for collection and identification of common species
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By: Tilles, David A. - Woodley, Norman E.
Type: Article
In: Agriculture handbook
Issue: 616
Date: 1984
Page Range: 1-35
Publication info: Washington, D.C, U.S. Dept. of Agriculture,