By Robbins Kathryn   in Northern Journal of Applied Forestry

ISSN:0742-6348|2|4|101-104

Society of American Foresters‎(1985)‎

Access to resources Favorite 16.781166

By Robbins Kathryn   Jackson William A.   McRoberts Ronald E.   in Northern Journal of Applied Forestry

ISSN:0742-6348|5|4|263-264

Society of American Foresters‎(1988)‎

Access to resources Favorite 8.390583

By Robbins Kathryn   Johnson David W.   Hawksworth Frank G.   Nicholls Thomas H.   in Western Journal of Applied Forestry

ISSN:0885-6095|4|1|27-28

Society of American Foresters‎(1989)‎

Access to resources Favorite 6.7124662