Melo, Evaldo Tadeu de, et al. “Anatomic Compatibility of Pear and Quince Trees Grafted on <i>Pyrus calleryana< i> and <i>Chaenomeles sinensis< i> Rootstocks”. Pesquisa Agropecuaria Brasileira, vol. 52, no. 10, Nov. 2017, pp. 877-86, doi:10.1590/S1678-3921.pab2017.v52.23985.