@book{192891,
	author = {Wagner, R�udiger. and ebrary, Inc.},
	title = {Central European stream ecosystems},
	publisher = {Wiley-Blackwell,},
	year = {2011.},
	address = {Weinheim :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10560534}
}