Ranalli, A., and A. Serraiocco. “Quantitative and Qualitative Effects of a Pectolytic Enzyme in Olive Oil Production”. Grasas y Aceites 47, no. 4 (August 30, 1996): 227–236. Accessed April 27, 2024. https://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/863.