By Johnsen Thomas N.   Schubert Gilbert H.   Almas Dewey P.   in Journal of Forestry

ISSN:0022-1201|71|3|144-147

Society of American Foresters‎(1973)‎

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By Heidmann L. J.   Johnsen Thomas N.   Cole Quinten W.   Cullum George   in Journal of Forestry

ISSN:0022-1201|80|2|77-79

Society of American Foresters‎(1982)‎

Access to resources Favorite 7.9133883