Mans, Ben J. (Barend Johannes); De Klerk, Daniel G.; Pienaar, Ronel; De Castro, M.H. (Minique Hilda); Latif, Abdalla A.(Public Library of Science, 2012-11-08)
Horak, Ivan Gerard; Nyangiwe, Nkululeko; De Matos, Carlos Antonio; Neves, L.C.B.G.D. (Luís)(Agricultural Research Council, ARC-OVI and the University of Pretoria, 2009-02)