Palladini, Luiz Antonio, and José Luiz Petri. “Effect of the Artificial Rain on the Efficiency of Dormancy Break Treatment in Apple Trees”. Pesquisa Agropecuaria Brasileira, vol. 32, no. 7, July 1997, pp. 715-7, doi:10.1590/S1678-3921.pab1997.v32.4708.