@book{50846,
	author = {University of Pretoria.},
	title = {Trek : 41-50e Jrg)},
	publisher = {Die Universiteit,},
	year = {1912-1991.},
	address = {Pretoria :},
	note = {Oct 1930 called Gedenknommer. Title changed to Trek with v.19, no.26 (1931). Absorbed: Stiebeuel; and, Extra mura.}
}