Pasa, Mateus da Silveira, and Todd Einhorn. “Prohexadione Calcium on Shoot Growth of ’Starkrimson’ Pear Trees”. Pesquisa Agropecuaria Brasileira, vol. 52, no. 2, Mar. 2017, pp. 75-83, doi:10.1590/S1678-3921.pab2017.v52.23172.