By Murphy Glen   Firth John   in Western Journal of Applied Forestry

ISSN:0885-6095|19|2|109-116

Society of American Foresters‎(2004)‎

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By Booth Anthony D   Firth John D   Jayne David RW   in Expert Opinion on Biological Therapy

ISSN:1471-2598|3|3|487-500

Informa Healthcare‎(2003)‎

Access to resources Favorite 7.5802746

By Fry Andrew   Vanderpump Mark   Doherty Michael   Kennedy Angus   Firth John   in Clinical Medicine

ISSN:1470-2118|5|4|396-399

Royal College Of Physicians‎(2005)‎

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By Herman Francis R.   Smith Clark E.   Firth John E.   in Journal of Forestry

ISSN:0022-1201|70|12|743-743

Society of American Foresters‎(1972)‎

Access to resources Favorite 6.8221045