Authors: EH Davies
ISBN: 0-620-25164-6
Authors: JM Squelch
ISBN: 0-620-25165-4
Authors: W Bray
ISBN: 0-620-25162-X
ISBN: 0-620-25163-8
Authors: R Joubert J Squelch
ISBN: 0-620-25166-2
Editor: Prof IJ Oosthuizen
Co-Authors: Dr E de Waal Mrs A de Wet Prof JP Rossouw...
EDITORS: Dr Rika Joubert Dr Lars G. Björk Dr Tricia Browne-Ferrigno
ISBN: 978-0-620-65331-2...
Authors: Prof Rika Joubert en Prof Elmene Bray
ISBN: 0-620-37203-6
