@book{44548,
	author = {Austen, Ralph A. and Derrick, Jonathan. and ebrary, Inc.},
	title = {Middlemen of the Cameroons Rivers},
	publisher = {Cambridge University Press,},
	year = {1999.},
	series = {African studies series ;},
	address = {Cambridge ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10073544}
}