@article {1298,
	title = {Loss of forb diversity in relation to nitrogen deposition in the UK: regional trends and potential controls},
	journal = {Global Change Biology},
	volume = {12},
	year = {2006},
	pages = {1823-1833},
	author = {Stevens, C.J. and Dise, N.B. and Gowing, D.J. and Mountford, J.O.}
}
@article {1108,
	title = {Impact of nitrogen deposition on the species richness of grasslands},
	journal = {Science},
	volume = {303},
	year = {2004},
	pages = {1876-1879},
	author = {Stevens, C.J. and Dise, N.B. and Mountford, J.O. and Gowing, D.J.}
}
@article {1527,
	title = {The restoration and re-creation of species-rich lowland grassland on land formerly managed for intensive agriculture in the UK.},
	journal = {Biological Conservation},
	volume = {119},
	year = {2004},
	pages = {1-18},
	author = {Walker, K.J. and Stevens, P.A. and Stevens, D.A. and Mountford, J.O. and Manchester, S.J. and Pywell, R.F.}
}
@book {614,
	title = {Ellenberg{\textquoteright}s indicator values for British plants: ECOFACT volume 2 technical annex.},
	year = {1999},
	publisher = {HMSO},
	organization = {HMSO},
	author = {Hill, M.O. and Mountford, J.O. and Roy, D.B. and Bunce, R.G.H.}
}
