@article {1562,
	title = {Climatic modifiers of the response to N deposition in peat-forming Sphagnum mosses: a meta-analysis.},
	journal = {New Phytologist},
	volume = {191},
	year = {2011},
	pages = {496-507},
	author = {Limpens, J. and Sheppard, L.J. and Leith, I.D.}
}
@article {659,
	title = {Comparison of the effects of dry deposited N as NH3 with wet deposited N as NH4Cl on acid moorland vegetation.},
	journal = {Water Air and Soil Pollution (In press).},
	year = {2001},
	author = {Leith, I.D. and Sheppard, L.J. and Pitcairn, C.E.R. and Cape, J.N and Hill, P.W. and Kennedy, V.H. and Tang, Y.S. and Smith, R.I. and Fowler D.}
}
@article {613,
	title = {Can the foliar nitrogen concentration of upland vegetation be used for predicting atmospheric nitrogen deposition? Evidence from field surveys. },
	journal = {Environmental Pollution},
	volume = {107},
	year = {2000},
	pages = {367-376},
	author = {Hicks, W.K. and Leith, I.D. and Woodin, S.J. and Fowler, D.}
}
