@ARTICLE {HUGHES:1997b, title = {Viruses infecting cultivated yams (Dioscorea alata and D. rotundata) in Nigeria}, author = {Hughes, J. and Dongo, L. and Atiri, G. *}, journal = {Phytopathology}, year = {1997}, volume = {87}, number = {S-45}, note = {RTB; Root and Tuber; Yam}, }