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By: Wargo, Philip M. - Combined Forest Pest Research and Development Program (U.S.)Edition: Slightly rev. Sept. 1988.Publication info: [Washington, D.C.], U.S. Dept. of Agriculture, Combined Forest Pest Research and Development Program, 1988Volume: no.418Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: