Pérez Pino, C. M., and F. E. Hernández Montero. “ROTATIONAL SPEED MEASUREMENT THROUGH LOW-COST IMAGING DEVICE AND DIGITAL IMAGE PROCESSING”. Telemática, vol. 20, no. 3, Dec. 2021, pp. 85-97, https://revistatelematica.cujae.edu.cu/index.php/tele/article/view/521.