By Bergen Kathleen   Colwell John   Sapio Frank   in Journal of Forestry

ISSN:0022-1201|98|6|4-9

Society of American Foresters‎(2000)‎

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By Coulston John W.   Koch Frank H.   Smith William D.   Sapio Frank J.   in Canadian Journal of Forest Research

ISSN:1208-6037|38|9|2422-2433

NRC Research Press‎(2008)‎

Access to resources Favorite 7.3183575