Marchioretto, Lucas De Ross, et al. “Ammonium Thiosulfate As Blossom Thinner in ’Maxi Gala’ Apple Trees”. Pesquisa Agropecuaria Brasileira, vol. 53, no. 10, Nov. 2018, pp. 1132-9, doi:10.1590/S1678-3921.pab2018.v53.26414.