Nyangiwe, Nkululeko; Goni, Sindisile; Herve-Claude, Louis P.; Ruddat, Inga; Horak, Ivan Gerard(Agricultural Research Council, ARC-OVI and the University of Pretoria, 2011-10-07)
Horak, Ivan Gerard; Lutermann, Heike; Medger, Katarina; Apanaskevich, Dmitry A.; Matthee, Conrad A.(Agricultural Research Council, ARC-OVI and the University of Pretoria, 2012-02-02)