@ARTICLE {LEGG:2000a, title = {Cassava mosaic virus disease in East Africa: a dynamic disease in a changing environment}, author = {Legg, J. and Thresh, J. M. }, journal = {Virus Research}, year = {2000}, volume = {71}, pages = {135--149}, issn = {0168-1702}, note = {RTB; Root and Tuber; Cassava}, }