Kleynhans, Waldo; Salmon, Brian Paxton; Olivier, Jan Corne; Van den Bergh, Frans; Wessels, K.J. (Konrad); Grobler, Trienko Lups; Steenkamp, Karen C.(Institute of Electrical and Electronics Engineers, 2012)
Le Roux, Peter Christiaan; Boelhouwers, Jan; Davis, Jacqueline K.; Haussmann, Natalie S.; Jantze, Elin J.; Meiklejohn, K.I. (Ian)(Arctic, Antarctic and Alpine Research Institute of Arctic and Alpine Research and Allen Press, 2011-05)
Nsubuga, Francis Wasswa Nkugwa; Botai, Joel Ongego; Olwoch, Jane Mukarugwiza; Rautenbach, Cornelis Johannes de Wet; Kalumba, Ahmed M.; Tsela, Philemon Lehlohonolo; Adeola, Abiodun Morakinyo; Ssentongo, Ausi. A.; Mearns, Kevin. F.(Springer, 2017-01)