Quispe, A. B., and S. F. Medina. “Recrystallization-Precipitation-Time-Temperature (RPTT) Diagram of a Vanadium Microalloyed Steel”. Revista De Metalurgia, vol. 33, no. 6, Dec. 1997, pp. 382-6, doi:10.3989/revmetalm.1997.v33.i6.833.