@conference {237,
	title = {Reinvasion of urban areas by black spot and tar spot},
	booktitle = {CAPER 2000, 11-13th April},
	year = {2000},
	address = {Birmingham},
	author = {Jarraud, N.S. and Bell, J.N. and Leith, I.D. and Fowler, D. and Archer, S.A.A.}
}
@article {18,
	title = {Regional mass budgets of oxidized and reduced nitrogen and their relative contribution to the N inputs of sensitive ecosystems},
	journal = {Environmental Pollutution (Nitrogen Conference Special Issue)},
	volume = {102},
	year = {1998},
	pages = {337-342},
	chapter = {1},
	author = {Fowler, D. and Sutton, M.A. and Smith, R.I. and Pitcairn, C.E.R. and Coyle, M. and Campbel,l G. and Stedman, J.}
}
@article {85,
	title = {The relationship between nitrogen deposition, species composition and foliar nitrogen concentrations in woodland flora in the vicinity of livestock farms.},
	journal = {Environmental Pollution },
	volume = {102},
	year = {1998},
	pages = {41-48},
	author = {Pitcairn, C.E.R. and Leith, I.D. and Sheppard, L.J. and Sutton, M.A. and Fowler, D. and Munro, R.C. and Tang, S. and Wilson, D.}
}
