By McDougall W.A.   in Orbis

ISSN:0030-4387|47|2|217-233

Elsevier‎(2003)‎

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By McDougall W. B.   in Journal of Forestry

ISSN:0022-1201|20|3|255-260

Society of American Foresters‎(1922)‎

Access to resources Favorite 9.716114