By Lynch Thomas B   Wittwer Robert F   in Canadian Journal of Forest Research

ISSN:1208-6037|33|7|1189-1195

NRC Research Press‎(2003)‎

Access to resources Favorite 12.355691

By Shelton Michael G.   Wittwer Robert F.   in Southern Journal of Applied Forestry

ISSN:0148-4419|20|2|74-80

Society of American Foresters‎(1996)‎

Access to resources Favorite 3.126885

By Wood Bruce W.   Carpenter Stanley B.   Wittwer Robert F.   in Forest Science

ISSN:0015-749X|22|3|338-342

Society of American Foresters‎(1976)‎

Access to resources Favorite 2.6057374

By Lynch Thomas B.   Budhathoki Chakra   Wittwer Robert F.   in Western Journal of Applied Forestry

ISSN:0885-6095|27|4|176-186

Society of American Foresters‎(2012)‎

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By Alemayehu Dejene   Engle David M.   Wittwer Robert F.   Anderson Steve   in Southern Journal of Applied Forestry

ISSN:0148-4419|22|3|169-174

Society of American Foresters‎(1998)‎

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By Leaf Albert L.   Leonard Raymond E.   Wittwer Robert F.   Bickelhaupt Donald H.   in Forest Science

ISSN:0015-749X|21|1|88-96

Society of American Foresters‎(1975)‎

Access to resources Favorite 2.08459

By Lynch Thomas B.   Wittwer Robert F.   Stevenson Douglas J.   Huebschmann Michael M.   in Forest Science

ISSN:0015-749X|53|4|478-485

Society of American Foresters‎(2007)‎

Access to resources Favorite 2.08459