@book{131635,
	author = {Wiencke, Christian. and ebrary, Inc.},
	title = {Biology of polar benthic algae},
	publisher = {De Gruyter,},
	year = {c2011.},
	series = {Marine and freshwater botany},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10468298}
}