Ballesteros, I., Oliva, J. M., Negro, M. J., Manzanares, P. and Ballesteros, M. (2002) “Simultaneous saccharification and fermentation process for converting the cellulosic fraction of olive oil extraction residue into ethanol”., Grasas y Aceites, 53(3), pp. 282–288. doi: 10.3989/gya.2002.v53.i3.318.