By Barnes Victor G.   Martin Paul   Tietjen Howard P.   in Journal of Forestry

ISSN:0022-1201|68|7|433-435

Society of American Foresters‎(1970)‎

Access to resources Favorite 9.756216

By Engeman Richard M.   Anthony Richard M.   Barnes Victor G.   Krupa Heather W.   Evans James   in Western Journal of Applied Forestry

ISSN:0885-6095|14|2|86-90

Society of American Foresters‎(1999)‎

Access to resources Favorite 7.308779