@article {19,
	title = {A new inventory for ammonia emissions from U.K. agriculture},
	journal = {(Ammonia Special Issue) Atmospheric Environment },
	volume = {32},
	year = {1998},
	pages = {309-313},
	author = {Pain, B.F. and van der Weerden, T.J. and Chambers, B.J. and Phillips, V.R. and Jarvis, S.C.}
}
