@book{81267,
	author = {Skov, Henrik. and ebrary, Inc.},
	title = {Waterbird populations and pressures in the Baltic Sea},
	publisher = {Nordic Council of Ministers,},
	year = {2011.},
	address = {Copenhagen :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10570197}
}