@article {494,
	title = {Potential effects of rising tropospheric concentrations of CO2 and O-3 on green-algal lichens},
	journal = {New Phytologist },
	volume = {132},
	year = {1996},
	pages = {132, 641-652.},
	author = {Balaguer, M. and Valladares, F. and Ascaso, C. and Barnes, J.D. and DelosRios, A. and Manrique, E. and Smith, E.C.}
}
