Steenkamp, Gerhardus; Ferguson, Jan Willem Helenus; Boy, Sonja Catharina; Ferreira, Sam M.; Bester, Marthan Nieuwoudt(South African Veterinary Association, 2008-03)
Pistorius, Pierre Anton; Taylor, F.E.; Bester, Marthan Nieuwoudt; Hofmeyr, G.J. Greg (Gordon John Gregory); Kirkman, Steve P. (Stephen Patrick)(Zoological Society of Southern Africa, 2008-04)