TY - JOUR T1 - Regulation of in vitro somatic embryogenesis with emphasis on to the role of endogenous hormones JO - Revista Brasileira de Fisiologia Vegetal A1 - JIMÉNEZ, VÍCTOR M. SN - 0103-3131 UL - 10.1590/S0103-31312001000200008 VL - 13 Y1 - 2001 PB - Brasil ER -