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Authors: Johnson, Norman E.; Nielsen, David G.
Source: Forest Science, Volume 15, Number 4, 1 December 1969, pp. 452-453(2)
Publisher: Society of American Foresters
Document Type: News
Affiliations: Staff, Dep. of Entomology and Limnology, Cornell University, Ithaca, N.Y. 14850
Publication date: December 1, 1969