Fosca, C., Merino, C., Otero, E. and Hierro, P. 1996. Color metallography of stainless steels by tint etching. Revista de Metalurgia. 32, 4 (Aug. 1996), 223–230. DOI:https://doi.org/10.3989/revmetalm.1996.v32.i4.904.