de Lima, Maria Auxiliadora Coêlho, et al. “Quality, Phenols and Oxidative Enzymes of ’Itália’ Grape under Calcium Influence, During Ripening”. Pesquisa Agropecuaria Brasileira, vol. 35, no. 12, Dec. 2000, pp. 2493-9, doi:10.1590/S1678-3921.pab2000.v35.6046.