M. J. Díaz-Villanueva, C. Cara-Corpas, E. Ruiz-Ramos, I. Romero-Pulido, and E. Castro-Galiano, “Olive tree pruning as an agricultural residue for ethanol production. Fermentation of hydrolysates from dilute acid pretreatment”, Span. j. agric. res., vol. 10, no. 3, pp. 643-648, Jun. 2012.