@article {42365,
	title = {American white pelican, California gull, caspian tern, double-crested cormorant, great blue heron and ring-billed gull : colony surveys - Alberta 1998. Volume 1 - Report (with 1999 update)},
	year = {2000},
	pages = {167 pp.},
	institution = {Cottonwood Consultants Ltd. For North American Waterfowl Management Plan, Alberta Environment, Alberta Conservation Association},
	address = {Calgary},
	url = {http://www.library.ualberta.ca/permalink/opac/2445507/WEBSERVER},
	author = {North American Waterfowl Management Plan and Alberta Environment and Alberta Conservation Association}
}
