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Effects of elevated concentrations of atmospheric CO2 and tropospheric O3 on leaf litter production and chemistry in trembling aspen and paper birch communitiesLiu, L.; King, J. S.; Giardina, C. P. · Tree Physiology · 2005
Effects of elevated atmospheric CO2and tropospheric O3on nutrient dynamics: decomposition of leaf litter in trembling aspen and paper birch communitiesLingli Liu; John S. King; Christian P. Giardina · 2007
Forest Growth Responses to the Pollution Climate of the 21st Century || Effects of Tropospheric O3 on Trembling Aspen and Interaction with CO2: Results from an O3-Gradient and a Face ExperimentSheppard, Lucy J.; Cape, J. Neil · 1999