@article {719,
	title = {The effect of long-term elevated ozone concentrations on the growth and photosynthesis of Sphagnum recurvum and Polytrichum commune},
	journal = {New Phytologist},
	volume = {134},
	year = {1996},
	pages = {649-656},
	author = {Potter, L. and Foot, J.P. and Caporn, S.J.M and Lee, J.A.}
}
