Jiménez-Herrera, S., J. M. Ochando-Pulido, and A. Martínez-Ferez. “Comparison Between Different Liquid-Liquid and Solid Phase Methods of Extraction Prior to the Identification of the Phenolic Fraction Present in Olive Oil Washing Wastewater from the Two-Phase Olive Oil Extraction System”. Grasas y Aceites 68, no. 3 (September 30, 2017): e208. Accessed December 9, 2022. https://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/1675.