Rieiro, I., A. Martínez, and M. Carsí. “Predictive Capability for Forming Work of Metallic Materials. Application to a Ti-6Al-4V Alloy”. Revista De Metalurgia, vol. 34, no. 4, Aug. 1998, pp. 335-47, doi:10.3989/revmetalm.1998.v34.i4.800.