@book{124403,
	author = {Martin, Graham, and Busby, John. and ebrary, Inc.},
	title = {Birds by night},
	publisher = {T & AD Poyser,},
	year = {1990.},
	address = {London :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10486657}
}