By Schaffner J. V.   in Journal of Forestry

ISSN:0022-1201|41|8|580-588

Society of American Foresters‎(1943)‎

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By SCHAFFNER J. V.   in Annals of the Entomological Society of America

ISSN:1938-2901|27|4|585-592

Entomological Society of America‎(1934)‎

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By Schaffner J. V.   McIntyre H. L.   in Journal of Forestry

ISSN:0022-1201|42|4|269-275

Society of American Foresters‎(1944)‎

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