By Ryan Robert L.   Hamin Elisabeth   in Journal of Forestry

ISSN:0022-1201|106|7|370-379

Society of American Foresters‎(2008)‎

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By Blanchard Brian   Ryan Robert L.   in Northern Journal of Applied Forestry

ISSN:0742-6348|24|3|203-208

Society of American Foresters‎(2007)‎

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By Ryan Robert L.   Hamin Elisabeth   in Western Journal of Applied Forestry

ISSN:0885-6095|24|1|36-41

Society of American Foresters‎(2009)‎

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By Ryan Robert L.   Kaplan Rachel   Grese Robert E.   in Journal of Environmental Planning and Management

ISSN:1360-0559|44|5|629-648

Routledge Ltd‎(2001)‎

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By RYAN ROBERT L.   ERICKSON DONNA L.   DE YOUNG RAYMOND   in Journal of Environmental Planning and Management

ISSN:1360-0559|46|1|19-37

Routledge Ltd‎(2003)‎

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