Airs, Paul M.; Ventura-Cordero, Javier; Gwiriri, Lovemore C.; Tinsley, Jonathan H.I.; Mvula, Winchester; Lee, Michael R.F.; Van Wyk, Jan Aucamp; Nalivata, Patson C.; Takahashi, Taro; Morgan, Eric R.; Safalaoh, Andrews C.L.(Elsevier, 2023-12)
Huchzermeyer, Karl David August; Woodborne, Stephan M.; Osthoff, G.; Hugo, A.; Hoffman, A.C.; Kaiser, H.; Steyl, Johan Christian Abraham; Myburgh, Jan G.(Wiley, 2017-11)
Botha, C.J. (Christoffel Jacobus); Crafford, Jan Ernst; Butler, V.P. Jr.; Stojanovic, M.N.; Labuschagne, Leonie(Agricultural Research Council, ARC-OVI and the University of Pretoria, 2007-12)