Grobler, Trienko Lups; Ackermann, Etienne Rudolph; Van Zyl, A.J.; Olivier, Jan Corne; Kleynhans, Waldo; Salmon, Brian Paxton(Institute of Electrical and Electronics Engineers, 2013-03)
Singh, T.; Ngcobo, Z.; Kgasha, O.; Leuschner, Friedrich Wilhelm; Matuka, O.; Van Reenen, O.; De Jager, P.(South African Society of Occupational Medicine (SASOM), 2018-07)
Venter, Petrus Johannes; Du Plessis, Monuko; Bogalecki, Alfons Willi; Goosen, Marius Eugene; Rademeyer, Pieter(Society of Photo-optical Instrumentation Engineers, 2012)