Llovet-de-Armas, N. F., B. Fernández-García, Y. Rivera-Beltrán, and M. E. Casas-Vázquez. “Degradation of a Low Alloy Steel in Sulfurous Environment and High Temperatures”. Revista Cubana De Química, vol. 29, no. 2, June 2017, pp. 199-11, https://cubanaquimica.uo.edu.cu/index.php/cq/article/view/2499.