Goosen, Marius Eugene; Du Plessis, Monuko; Venter, Petrus Johannes; Bogalecki, Alfons Willi; Alberts, A.C. (Antonie); Rademeyer, Pieter(South African Institute of Electrical Engineers, 2012-03)
Ellinghaus, P.; Venter, Petrus Johannes; Du Plessis, Monuko; Rademeyer, Pieter; Bogalecki, Alfons Willi(South African Institute of Electrical Engineers, 2010-03)