Moreno Rodríguez, Rosendo, Alejandro Duffus Scott, and Ramiro Pérez Vázquez. 2007. “Deductive Assistant of Filler Materials for Welding of Steels in the Sugar Industry”. Centro Azúcar Journal 34 (2). http://centroazucar.uclv.edu.cu/index.php/centro_azucar/article/view/561.