By Wharton Eric H.   in Northern Journal of Applied Forestry

ISSN:0742-6348|8|3|119-122

Society of American Foresters‎(1991)‎

Access to resources Favorite 16.074291

By Burk Thomas E.   Hans Richard P.   Wharton Eric H.   in Northern Journal of Applied Forestry

ISSN:0742-6348|6|1|27-31

Society of American Foresters‎(1989)‎

Access to resources Favorite 9.023394