Malleson, Evelyn Rhoda; Meeske, R.; Erasmus, Lourens Jacobus; Van Niekerk, Willem A.; Coertze, Roelof Johannes(Tropical Grassland Society of Australia, 2009)
Smit, S. Engela; Henriques, Romina; Jackson, Megan; Taylor, Ricky; Vivier, Leon; Von der Heyden, Sophie(NISC (Pty) Ltd and Informa UK Limited (trading as Taylor and Francis Group), 2023)