Kmieciak, S., S. Mecziane, H. Kadi, and R. Moussaoui. “Oil Extraction from Olive Foot Cake With Acidic Hexane”. Grasas y Aceites 42, no. 1 (February 28, 1991): 46–50. Accessed April 23, 2024. https://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/1277.