by Pelser, A., Van der Merwe, A., Stols, G., Ferreira, R., Venter, S., De Villiers, C., Olivier, W.A.
Published in South African journal of education (01.11.2015)

by Hampton, C.V, Olivier, W.A, McHarris, Wm.C
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21.01.2001)

by Hampton, C.V, Olivier, W.A, McHarris, Wm.C
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (1999)