@article {30983,
	title = {Pollutant-associated embryonic mortality of Great Lakes Herring Gulls },
	volume = {12},
	year = {1977},
	pages = {211-216},
	publisher = {Environmental Pollution},
	url = {http://www.springerlink.com/content/1m25210660w61451/},
	author = {Gilbertson, M. and Fox, G. A.}
}
