@book{18322,
	author = {Soper, R. C.},
	title = {The terrace builders of Nyanga /},
	publisher = {Weaver Press,},
	year = {c2006.},
	address = {Harare :},
	url = {http://www.loc.gov/catdir/toc/fy0714/2007380025.html}
}