@book{21297,
	author = {Pienaar, H. N.},
	title = {Primere algemene wetenskap.},
	publisher = {Maskew Miller Longman,},
	year = {1981.},
	address = {Kaapstad :},
	edition = {1ste uitg.},
	note = {Ill. op skutblaaie.}
}