By Helmers Austin E.   in Journal of Forestry

ISSN:0022-1201|44|9|673-676

Society of American Foresters‎(1946)‎

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By BECKWITH ROY C.   HELMERS AUSTIN E.   in Environmental Entomology

ISSN:1938-2936|5|2|291-294

Entomological Society of America‎(1976)‎

Access to resources Favorite 13.649395