TY - SER AU - Petrillo,C.P. AU - Carneiro,N.P. AU - Purcino,A.A.C. AU - Carvalho,C.H.S. AU - Alves,J.D. AU - Carneiro,A.A. TI - Optimization of particle bombardment parameters for the genetic transformation of Brazilian maize inbred lines KW - MILHO KW - PARAMETRO GENETICO KW - LINHAGEM ER -