@book{185041,
	author = {Elkins, Norman. and ebrary, Inc.},
	title = {Weather and bird behaviour},
	publisher = {T & AD Poyser,},
	year = {2010, c2004.},
	address = {London :},
	edition = {3rd ed. /},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10404991}
}