@article {1470,
	title = {Chemical composition and decomposition of silver birch leaf litter produced under elevated CO2 and O3.},
	journal = {Plant and Soil},
	volume = {282},
	year = {2006},
	pages = {261-280},
	author = {Kasurinen, A. and Riikonen, J. and Oksanen, E. and Vapaavuori, E. and Holopainen, T.}
}
