Oliveira, R. P. de, Scivittaro, W. B. and Radmann, E. B. (2003) “Quantification and method to select nucellar plants of <i>Poncirus trifoliata</i>”;, Pesquisa Agropecuaria Brasileira, 38(10), pp. 1173–1177. doi: 10.1590/S1678-3921.pab2003.v38.6687.