@book{185852,
	author = {Skalski, J. R. and Ryding, Kristen E. and ebrary, Inc.},
	title = {Wildlife demography},
	publisher = {Elsevier Academic Press,},
	year = {c2005.},
	address = {Amsterdam ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10138157}
}