Development of low-cost technologies for pyramiding useful genes from wild relatives of cassava into elite progenitors - Bellotti, Anthony C.; Fregene, Martin A.; Alves, A.A.C.; Ceballos, H.; Álvarez, E.; Okay, E; Egesi, Chiedozie N.; Bua, A.; Alicai, Titus; Baguma, Yona K. (Generation Challenge Programme, 2005)