By Wellman J. Douglas   McMullen Judith Q.   in Journal of Forestry

ISSN:0022-1201|82|7|413-416

Society of American Foresters‎(1984)‎

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By Wellman J. Douglas   McMullen Judith Q.   Hirsch Gwen N.   in Journal of Forestry

ISSN:0022-1201|88|11|24-27

Society of American Foresters‎(1990)‎

Access to resources Favorite 15.537981