@book{178229,
	author = {Wong, Thomas M. and ebrary, Inc.},
	title = {Niobium},
	publisher = {Nova Science Publishers,},
	year = {c2011.},
	series = {Chemical engineering methods and technology},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10659049}
}