Latado, Rodrigo Rocha, et al. “Citrus Autotetraploid Plants Obtained by in Vitro Treatment With Colchicine”. Pesquisa Agropecuaria Brasileira, vol. 42, no. 10, Oct. 2007, pp. 1429-35, doi:10.1590/S1678-3921.pab2007.v42.7715.