@book{229135,
	author = {Chem-Langhee, B. and ebrary, Inc.},
	title = {Nso' and its neighbours},
	publisher = {Langaa Research & Pub. CIG,},
	year = {2011.},
	address = {Mankon, Bamenda :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10493920}
}