By Springfield H. W.   in Journal of Forestry

ISSN:0022-1201|59|9|666-670

Society of American Foresters‎(1961)‎

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By Riffle J. W.   Springfield H. W.   in Forest Science

ISSN:0015-749X|14|1|96-101

Society of American Foresters‎(1968)‎

Access to resources Favorite 3.059883