Carra, Bruno, et al. “Control of the Vegetative Growth of ’Shinseiki’ Pear Trees by Prohexadione Calcium and Root Pruning”. Pesquisa Agropecuaria Brasileira, vol. 52, no. 3, Apr. 2017, pp. 177-85, doi:10.1590/S1678-3921.pab2017.v52.24106.