Singh, T. (1982). Biomass equations for ten major tree species of the prairie provinces. Northern Forest Research Centre, Canadian Forestry Service.
Lua i Stíl Chicago (17ú heag.)Singh, T. Biomass Equations for Ten Major Tree Species of the Prairie Provinces. Canada: Northern Forest Research Centre, Canadian Forestry Service, 1982.
Lua MLA (9ú heag.)Singh, T. Biomass Equations for Ten Major Tree Species of the Prairie Provinces. Northern Forest Research Centre, Canadian Forestry Service, 1982.
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