Saska, M., and C. Martín. “STEAM PRETREATMENT ASSISTED BY ACID OR ALKALINE IMPREGNATION FOR ETHANOL PRODUCTION FROM BAGASSE AND SUGARCANE TRASH”. Centro Azúcar Journal, vol. 38, no. 3, Sept. 2011, http://centroazucar.uclv.edu.cu/index.php/centro_azucar/article/view/380.