By Cech Franklin C.   Keys Roy N.   in Northern Journal of Applied Forestry

ISSN:0742-6348|4|2|78-81

Society of American Foresters‎(1987)‎

Access to resources Favorite 12.993183

By Zobel Bruce J.   Cech Franklin C.   Goddard Ray E.   in Journal of Forestry

ISSN:0022-1201|54|11|750-755

Society of American Foresters‎(1956)‎

Access to resources Favorite 10.627203

By Nienstaedt Hans   Cech Franklin C.   Mergen Francois   Chi-Wu Wang   Zak Bratislav   in Journal of Forestry

ISSN:0022-1201|56|11|826-839

Society of American Foresters‎(1958)‎

Access to resources Favorite 9.463921