If you are experiencing problems downloading PDF or HTML fulltext, our helpdesk recommend clearing your browser cache and trying again. If you need help in clearing your cache, please click here . Still need help? Email email@example.com
Authors: Bhojvaid, P.P.; Timmer, V.R.
Document Type: Research Article
Affiliations: Faculty of Forestry, University of Toronto, Toronto, Ontario, Canada
Publication date: July 27, 1998