By CAMPBELL ROBERT W.   in Annals of the Entomological Society of America

ISSN:1938-2901|71|3|442-448

Entomological Society of America‎(1978)‎

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By Campbell Robert W.   in Forest Science

ISSN:0015-749X|19|3|162-167

Society of American Foresters‎(1973)‎

Access to resources Favorite 13.799669

By Campbell Robert W.   in Forest Science

ISSN:0015-749X|14|3|351-351

Society of American Foresters‎(1968)‎

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By Campbell Robert W.   in Entomological Society of America. Bulletin

ISSN:0013-8754|23|3|179-180

Entomological Society of America‎(1977)‎

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By CAMPBELL ROBERT W.   in Environmental Entomology

ISSN:1938-2936|10|5|663-667

Entomological Society of America‎(1981)‎

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By CAMPBELL ROBERT W.   in Environmental Entomology

ISSN:1938-2936|5|6|1218-1224

Entomological Society of America‎(1976)‎

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By Campbell Robert W.   in Journal of Economic Entomology

ISSN:1938-291X|76|3|610-614

Entomological Society of America‎(1983)‎

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By Campbell Robert W.   in Forest Science

ISSN:0015-749X|13|1|19-22

Society of American Foresters‎(1967)‎

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By Campbell Robert W.   in Journal of Forestry

ISSN:0022-1201|72|3|141-142

Society of American Foresters‎(1974)‎

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By Campbell Robert W.   Garlo Albert S.   in Journal of Forestry

ISSN:0022-1201|80|2|89-90

Society of American Foresters‎(1982)‎

Access to resources Favorite 9.46685