Almeida, Gustavo Klamer, and João Caetano Fioravanço. “Yield of ’Royal Gala’ Apple Trees in Response to Pruning before or After Leaf Drop”. Pesquisa Agropecuaria Brasileira, vol. 53, no. 4, June 2018, pp. 427-34, doi:10.1590/S1678-3921.pab2018.v53.25609.