Physiological evaluation of drought resistance in elite lines of common bean (Phaseolus vulgaris L.) under field conditions - Polanía Perdomo, José A.; Grajales Bedoya, Miguel Angel; Cajiao V., César Hernando; García, R.; Ricaurte Oyola, José Jaumer; Beebe, Stephen E.; Rao, Idupulapati M. (International Center for Tropical Agriculture, 2008)