By Jagels Richard   in Journal of Forestry

ISSN:0022-1201|88|11|43-46

Society of American Foresters‎(1990)‎

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By Jagels Richard   in Journal of Forestry

ISSN:0022-1201|88|9|33-36

Society of American Foresters‎(1990)‎

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By Jagels Richard   in Forest Science

ISSN:0015-749X|9|4|440-443

Society of American Foresters‎(1963)‎

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By Jagels Richard   in Journal of Forestry

ISSN:0022-1201|88|10|27-31

Society of American Foresters‎(1990)‎

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By Day Michael E.   Jagels Richard   Li Xiaochun   Equiza M. A.   in Canadian Journal of Botony

ISSN:1480-3305|84|9|1453-1461

NRC Research Press‎(2006)‎

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