Ribeiro, V. G., Sanábio, D., Souza, C. N. de, Lopes, P. S. N., Bocardo, M. R., & Pasqual, M. (2000). Effects of gibberellic acid (GA3) and activated coal on <i>in vitro</i> culture of <i>Citrus limonia</i> Osbeck x <i>Poncirus trifoliata</i> L. Raf. embryos. Pesquisa Agropecuaria Brasileira, 35(1), 27–30. https://doi.org/10.1590/S1678-3921.pab2000.v35.5682