García de Andrés, C., M. J. Bartolomé García, C. Capdevila Montes, D. San Martín Fernández, F. García Caballero, V. Lópe Serrano, and F. J. Vara Miñambres. “Techniques to Reveal the Austenite Grain Boundaries in Medium Carbon Microalloyed Steels”. Revista De Metalurgia, vol. 37, no. 4, Aug. 2001, pp. 528-39, doi:10.3989/revmetalm.2001.v37.i4.518.