F. Gaxiola, P. Melin, и M. Lopez. Soft Computing for Recognition Based on Biometrics, том 312 из Studies in Computational Intelligence, Springer, (2010)
F. Gaxiola, P. Melin, и F. Valdez. IEEE Conf. on Intelligent Systems (1), том 322 из Advances in Intelligent Systems and Computing, стр. 707-713. Springer, (2014)