@book{60372,
	author = {Madronov�a, Libu�se. and ebrary, Inc.},
	title = {Humic acids from raw materials of the Czech Republic},
	publisher = {Nova Science Publishers,},
	year = {c2011.},
	series = {Environmental science, engineering and technology},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10681036}
}