By Loomis R. M.   Crosby J. S.   in Journal of Forestry

ISSN:0022-1201|68|8|490-493

Society of American Foresters‎(1970)‎

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By Johansen R. W.   Lavdas L. G.   Loomis R. M.   in Southern Journal of Applied Forestry

ISSN:0148-4419|5|3|128-131

Society of American Foresters‎(1981)‎

Access to resources Favorite 2.1520915