Strydom, S.; Agenas, S.; Heath, M.F.; Phillips, C.J.C.; Rautenbach, G.H.; Thompson, P.N. (Peter N.)(Agricultural Research Council, ARC-OVI and the University of Pretoria, 2008-09)
Fasina, Folorunso Oludayo; Sirdar, Mohamed Mahmoud; Bisschop, S.P.R. (Shahn)(Agricultural Research Council, ARC-OVI and the University of Pretoria, 2008-01)