By Hansen Bruce G.   in Northern Journal of Applied Forestry

ISSN:0742-6348|3|3|101-103

Society of American Foresters‎(1986)‎

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By Hansen Bruce G.   Luppold William G.   Thomas R. Edward   in Northern Journal of Applied Forestry

ISSN:0742-6348|8|4|156-160

Society of American Foresters‎(1991)‎

Access to resources Favorite 8.379441