@book{35097,
	author = {Van Riet, Willem. and South Africa.},
	title = {Environmental potential atlas for South Africa /},
	publisher = {J.L. van Schaik,},
	year = {1997.},
	address = {Hatfield, Pretoria :},
	edition = {1st ed.},
	note = {"Published for the Department of Environmental Affairs and Tourism, in conjunction with the Geographic Information Systems Laboratory CC and the University of Pretoria."}
}