Machado López, J., E. González Suárez, I. León Garay, and M. González Cortés. “Technological Prospective With Support of the Analysis of Processes in the Chemical Industry”. Centro Azúcar Journal, vol. 34, no. 2, Apr. 2007, http://centroazucar.uclv.edu.cu/index.php/centro_azucar/article/view/558.