@book{58319,
	author = {Callenbach, Ernest. and ebrary, Inc.},
	title = {Ecology},
	publisher = {University of California Press,},
	year = {2008.},
	address = {Berkeley :},
	edition = {Rev. ed., 10th anniversary ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10675810}
}