Sandra Brown. (1997). FAO forestry paper N134: Estimating biomass and biomass change of tropical forests: a primer. Rome: FAO.
Chicago-tyylinen lähdeviittausSandra Brown. FAO Forestry Paper N134: Estimating Biomass and Biomass Change of Tropical Forests: A Primer. Rome: FAO, 1997.
MLA-viiteSandra Brown. FAO Forestry Paper N134: Estimating Biomass and Biomass Change of Tropical Forests: A Primer. Rome: FAO, 1997.
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