%0 Generic %D 2006 %T Chemical composition and decomposition of silver birch leaf litter produced under elevated CO2 and O3. %A Kasurinen, A. %A Riikonen, J. %A Oksanen, E. %A Vapaavuori, E. %A Holopainen, T. %B Plant and Soil %V 282 %P 261-280 %G eng