By Hrubes Robert J.   in Journal of Forestry

ISSN:0022-1201|82|6|369-372

Society of American Foresters‎(1984)‎

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By Hrubes Robert J.   Rensi Giuseppe   in Forest Science

ISSN:0015-749X|27|3|454-459

Society of American Foresters‎(1981)‎

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By Rensi Giuseppe   Hrubes Robert J.   in Forest Science

ISSN:0015-749X|29|4|841-842

Society of American Foresters‎(1983)‎

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By Hrubes Robert J.   Rensi Giuseppe   in Journal of Forestry

ISSN:0022-1201|75|11|719-721

Society of American Foresters‎(1977)‎

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By Cabarle Bruce   Hrubes Robert J.   Elliot Chris   Synnott Timothy   in Journal of Forestry

ISSN:0022-1201|93|4|12-16

Society of American Foresters‎(1995)‎

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By Seymour Robert S.   Hrubes Robert J.   Hammel Debbie   in Journal of Forestry

ISSN:0022-1201|93|4|26-29

Society of American Foresters‎(1995)‎

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