Borja Padilla, R., J. A. Fiestas de Ursinos, María M. Durán Barrantes, and M. Luque González. 1991. “Aerobic Purification of Condensed Water from Thermal Concentration Process of Olive Mill Wastewater”. Grasas Y Aceites 42 (6):422-27. https://doi.org/10.3989/gya.1991.v42.i6.1205.