Ribeiro, V. G.; Sanábio, D.; Souza, C. N. de; Lopes, P. S. N.; Bocardo, M. R.; Pasqual, M. Effects of Gibberellic Acid (GA3) and Activated Coal on in Vitro Culture of Citrus Limonia Osbeck X Poncirus Trifoliata L. Raf. Embryos. PAB 2000, 35 (1), 27-30. https://doi.org/10.1590/S1678-3921.pab2000.v35.5682.