By Boyle James R.   Phillips John J.   Ek Alan R.   in Journal of Forestry

ISSN:0022-1201|71|12|760-762

Society of American Foresters‎(1973)‎

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By Aune Philip S.   Oliver William W.   Powers Robert F.   Boyle James R.   Tappeiner John C.   DeBell Dean S.   Oliver Chadwick D.   in Journal of Forestry

ISSN:0022-1201|88|12|33-36

Society of American Foresters‎(1990)‎

Access to resources Favorite 5.4842353