Borja, R., Alba, J., Martín, A. and Mancha, A. (1999) “Kinetic study of anaerobic digestion of wastewaters from the washing of olives prior to the oil production process in a completely mixed reactor with immobilised microorganisms”., Grasas y Aceites, 50(2), pp. 87–93. doi: 10.3989/gya.1999.v50.i2.640.