By Sheppard Stephen R. J.   Achiam Cecilia   D'Eon Robert G.   in Journal of Forestry

ISSN:0022-1201|102|5|6-11

Society of American Foresters‎(2004)‎

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By Barron Sara   Sheppard Stephen R.J.   Condon Patrick M.   in Forests

ISSN:1999-4907|7|9|208-208

MDPI‎(2016)‎

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By Schroth Olaf   Pond Ellen   Campbell Cam   Cizek Petr   Bohus Stephen   Sheppard Stephen R. J.   in Future Internet

ISSN:1999-5903|3|4|204-227

MDPI‎(2011)‎

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