By Erdmann Gayne G.   Oberg Robert R.   in Journal of Forestry

ISSN:0022-1201|72|12|760-763

Society of American Foresters‎(1974)‎

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By Strong Terry F.   Hubbell Audra E.   Weise Adam H.   Erdmann Gayne G.   in Northern Journal of Applied Forestry

ISSN:0742-6348|23|4|229-233

Society of American Foresters‎(2006)‎

Access to resources Favorite 11.225004