By Lord William B.   in Journal of Forestry

ISSN:0022-1201|61|4|262-264

Society of American Foresters‎(1963)‎

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By Sackett Stephen S.   Webster Henry H.   Lord William B.   in Journal of Forestry

ISSN:0022-1201|65|9|636-641

Society of American Foresters‎(1967)‎

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