De La Cruz, W., O. Contreras, G. Soto, and E. Perez-Tijerina. “Cobalt Nitride Films Produced by Reactive Pulsed Laser Deposition”. Revista Mexicana De Física, vol. 52, no. 5, Jan. 2006, pp. 409-0, https://rmf.smf.mx/ojs/index.php/rmf/article/view/3483.