De Matos, Carlos Antonio; Sitoe, C.; Neves, L.C.B.G.D. (Luís); Bryson, N.R.; Horak, Ivan Gerard(Agricultural Research Council, ARC-OVI and the University of Pretoria, 2008-06)
Looringh Van Beeck, Frank A.; Zajonc, Dirk M.; Moore, Peter F.; Schlotter, Yvette M.; Broere, Femke; Rutten, Victor P.M.G.; Willemse, Ton; Van Rhijn, Ildiko(Springer, 2008)