@book{6985,
	author = {Oliver, Roland Anthony. and Fagan, Brian M.,},
	title = {Africa in the Iron Age, c500 B.C. to A.D. 1400 /},
	publisher = {Cambridge Univerity press,},
	year = {1975.},
	address = {Cambridge:},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/description/cam032/74025639.html}
}