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ISSN:1208-6037|33|12|2372-2379

NRC Research Press‎(2003)‎

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By Dang Q. L.   Lieffers V. J.   Rothwell R. L.   in Forest Science

ISSN:0015-749X|37|3|924-930

Society of American Foresters‎(1991)‎

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