By Helgerson Ole T.   in Western Journal of Applied Forestry

ISSN:0885-6095|5|3|86-89

Society of American Foresters‎(1990)‎

Access to resources Favorite 20.643417

By Helgerson Ole T.   McNabb David H.   Hobbs Stephen D.   in Western Journal of Applied Forestry

ISSN:0885-6095|6|3|55-59

Society of American Foresters‎(1991)‎

Access to resources Favorite 11.594833

By Tesch Steven D.   Lysne David H.   Mann John W.   Helgerson Ole T.   in Journal of Forestry

ISSN:0022-1201|84|6|49-50

Society of American Foresters‎(1986)‎

Access to resources Favorite 10.321709

By Helgerson Ole T.   Tesch Steven D.   Hobbs Stephen D.   McNabb D. H.   in Western Journal of Applied Forestry

ISSN:0885-6095|4|4|124-128

Society of American Foresters‎(1989)‎

Access to resources Favorite 9.668057

By Pfilf Dick   Marker John F.   Helgerson Ole T.   Gerhold Henry D.   Olson Lloyd W.   Wolf Robert E.   Pence Ned N.   Burns Sandy   in Journal of Forestry

ISSN:0022-1201|103|7|327-371

Society of American Foresters‎(2005)‎

Access to resources Favorite 7.741282