Juan M. Espín López, Alberto Huertas Celdrán, Francisco Esquembre, Gregorio Martínez Pérez; Javier G. Marin-Blazquez: A supervised ML Biometric Continuous Authentication System for Industry 4.0,"; IEEE, IEEE Transactions on Industrial Informatics, Vol. 1, No. 1, April 2022, pp 1-2. doi:10.1109/TII.2022.3171321 URL: https://ieeexplore.ieee.org/document/9765715.