Expresion of field resistance and tolerance in cassava and cowpea to cassava bacterial blight and cowpea bacterial blight respectively. DPG Working Group Plant Protection in the Tropics and Subtropics, Berlin, July 1997 - Wydra, K.; Fanou, A.; Sikirou, R.; Adamou, I.; Zinsou, V.A.; Avocanh, A. (1997)