Benitez Lozano, A.J., Páramo Bermudez, G.J. and Bustamante Correa, F.A. 2015. Comparative analysis between the SPIF and DPIF variants for die-less forming process for an automotive workpiece. INGE CUC. 11, 2 (Sep. 2015), 68–73. DOI:https://doi.org/10.17981/ingecuc.11.2.2015.07.