Steffens, Cristiano André, et al. “’Gala’ Apple Stored in Controlled Atmosphere and Treated With Aminoethoxyvinylglycine and Ethephon”. Pesquisa Agropecuaria Brasileira, vol. 40, no. 9, Sept. 2005, pp. 837-43, doi:10.1590/S1678-3921.pab2005.v40.7034.