@ARTICLE {CEBALLOS:2004,
title = {Cassava breeding: opportunities and challenges},
author = {Ceballos, H. and Iglesias, C. and P{\'e}rez, J. and Dixon, A. },
journal = {Plant Molecular Biology},
year = {2004},
volume = {56},
pages = {503--516},
note = {RTB; Root and Tuber; Cassava},
}