By Dils Robert E.   in Journal of Forestry

ISSN:0022-1201|69|2|94-98

Society of American Foresters‎(1971)‎

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By Dils Robert E.   in Forest Science

ISSN:0015-749X|3|2|144-144

Society of American Foresters‎(1957)‎

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By Dils Robert E.   in Forest Science

ISSN:0015-749X|2|2|99-100

Society of American Foresters‎(1956)‎

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By Dils Robert E.   in Journal of Forestry

ISSN:0022-1201|52|10|727-729

Society of American Foresters‎(1954)‎

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By Della-Bianca Lino   Dils Robert E.   in Journal of Forestry

ISSN:0022-1201|58|5|373-377

Society of American Foresters‎(1960)‎

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