Rodríguez Cristo, Alejandro, Jesús Eduardo González Ruiz, and Rafael Quintana Puchol. 2007. “Characterization of Diffusive Coatings from Complex Chromium Carbide Microalloys With Boron on Steel II”. Centro Azúcar Journal 34 (2). http://centroazucar.uclv.edu.cu/index.php/centro_azucar/article/view/551.