By Pipas Michael J.   Witmer Gary W.   in Western Journal of Applied Forestry

ISSN:0885-6095|14|3|164-168

Society of American Foresters‎(1999)‎

Access to resources Favorite 12.646237

By Stewart William B.   Witmer Gary W.   Koehler Gary M.   in Western Journal of Applied Forestry

ISSN:0885-6095|14|3|128-131

Society of American Foresters‎(1999)‎

Access to resources Favorite 10.34322

By Witmer Gary W.   Snow Nathan P.   Moulton Rachael S.   Swartz Jenna L.   in Canadian Journal of Forest Research

ISSN:1208-6037|42|6|1168-1172

NRC Research Press‎(2012)‎

Access to resources Favorite 9.212069