By Barrett J.P.   in Clinical Drug Investigation

ISSN:1173-2563|22|2|87-97

Adis International‎(2002)‎

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By Barrett J. P.   Bengtson G. W.   in Forest Science

ISSN:0015-749X|10|2|159-164

Society of American Foresters‎(1964)‎

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By Crosby P.   Barrett J. P.   Bocko R.   in Journal of Forestry

ISSN:0022-1201|81|12|795-797

Society of American Foresters‎(1983)‎

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By Innes J C   Ducey M J   Gove J H   Leak W B   Barrett J P   in Canadian Journal of Forest Research

ISSN:1208-6037|36|1|262-262

NRC Research Press‎(2006)‎

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By Innes J C   Ducey M J   Gove J H   Leak W B   Barrett J P   in Canadian Journal of Forest Research

ISSN:1208-6037|35|10|2469-2478

NRC Research Press‎(2005)‎

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