@article {1459,
	title = {Ozone pollution affects flower numbers and timing in a simulated BAP priority calcareous grassland community.},
	journal = {Environmental Pollution},
	volume = {163},
	year = {2012},
	pages = {40-47},
	author = {Hayes, F. and Williamson, J. and Mills, G.}
}
@mastersthesis {1541,
	title = {The impacts of elevated ozone on plant vitality and carbon cycling in wetlands. },
	volume = {PhD},
	year = {2009},
	school = {Bangor University},
	address = {Bangor, UK.},
	author = {Williamson, J.}
}
