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Krajina, V. J., K. Klinka and J. Worral. 1982. Distribution and ecological characteristics of trees and shrubs of British Columbia. UBC Faculty of Forestry. 131 pp.

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Cross-Linked Information Resources (CLIR): an umbrella search web application that allows users to use a single window to simultaneously search six provincial environmental and natural resource information e-libraries and provides access to digital documents in these e-libraries.