@book{51787,
	author = {University of South Africa.},
	title = {Progressio / (Vol. 16 - 20)},
	publisher = {Unisa Press,},
	year = {1979-.},
	address = {Pretoria :},
	url = {http://0-atoz.ebsco.com.innopac.up.ac.za/home.asp?id=805&sid=11132168 4&cmbScope=BA}
}