F. R. D. O. CANTÃO, F. O. M. DURÃES, A. C. D. OLIVEIRA, ÂNGELA M. SOARES, and P. C. MAGALHÃES, “MORPHOLOGICAL ATTRIBUTES OF ROOT SYSTEM OF MAIZE GENOTYPES CONTRASTING IN DROUGHT TOLERANCE DUE TO PHOSPHORUS STRESS”, RBMS, vol. 7, no. 02, May 2010.