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ISSN:1466-1845|25|3|341-355

Routledge Ltd‎(2001)‎

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By Gessel Stanley P.   Lloyd William J.   in Journal of Forestry

ISSN:0022-1201|48|6|405-410

Society of American Foresters‎(1950)‎

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By Hartung Robert E.   Lloyd William J.   in Journal of Forestry

ISSN:0022-1201|67|3|178-182

Society of American Foresters‎(1969)‎

Access to resources Favorite 9.51091