Glória, Fernanda Januzzi Mendes da, et al. “Plant Regeneration from Protoplast of Brazilian Citrus Cultivars”. Pesquisa Agropecuaria Brasileira, vol. 35, no. 4, Apr. 2000, pp. 727-32, doi:10.1590/S1678-3921.pab2000.v35.5848.