Pe, P., kov., J. Carrillo, ., and M. Aceves. “On the Difference in the Value of Surface Generation Velocity Measured in MOS Structures by the Voltage Pulse and Double-Sweep Voltage Techniques”. Revista Mexicana De Física, vol. 37, no. 4, Jan. 1990, pp. 678-87, https://rmf.smf.mx/ojs/index.php/rmf/article/view/4270.