@book{22557,
	author = {Beyers, J. D. and Pretorius, D. M.},
	title = {'n Element�ere kursus in Wetenskap.},
	publisher = {Nasionale Boekhandel,},
	year = {[1955?]},
	series = {Collegium-reeks ;},
	address = {Kaapstad :}
}