San Martín, D., F. G. Caballero, C. Capdevila, and C. García-de-Andrés. “Study and Modelling of the Influence of Second Phase Particles on the Austenite Grain Growth in a Niobium Microalloyed Steel”. Revista De Metalurgia, vol. 42, no. 2, Apr. 2006, pp. 128-37, doi:10.3989/revmetalm.2006.v42.i2.13.