@article {246,
	title = {Deposition of fixed atmospheric nitrogen and foliar nitrogen content of bryophytes and Calluna vulgaris},
	journal = {Environmental Pollution},
	volume = {88},
	year = {1995},
	pages = {193-205},
	author = {Pitcairn, C.E.R. and Fowler, D. and Grace, J.}
}
