Jiménez Márquez, A., G. Beltrán Maza, M. Uceda Ojeda, and M. P. Aguilera Herrera. “Use of High Power Ultrasounds in Virgin Olive Oil Extraction Process. Results at Laboratory Scale”. Grasas Y Aceites, vol. 57, no. 3, Sept. 2006, pp. 253-9, doi:10.3989/gya.2006.v57.i3.46.