León Aliz, T., O. Freddy Prias, E. González Suárez, and V. Kafarov. “THE TECHNOLOGICAL SURVEILLANCE IN THE STUDIES FOR THE MOST EFFICIENT DEVELOPMENT IN THE CHAIN PRODUCTIVE BIOMASS-ETHANOL-HYDROGEN”. Centro Azúcar Journal, vol. 33, no. 2, Apr. 2006, http://centroazucar.uclv.edu.cu/index.php/centro_azucar/article/view/613.