@article {34928,
	title = {Background pollution in the Arctic air mass and its relevance to North American acid rain studies},
	volume = {30},
	year = {1986},
	pages = {765-777},
	publisher = {Water, Air, \& Soil Pollution},
	url = {http://www.springerlink.com/content/j700016468v1q282/fulltext.pdf},
	author = {Barrie, L. A.}
}
