Martínez-Trinidad J. F. Progress in Pattern Recognition, Image Analysis and Applications (vol. # 4225) 11th Iberoamerican Congress on Pattern Recognition, CIARP 2006, Cancun, Mexico, November 14-17, 2006, Proceedings / edited by José Francisco Martínez-Trinidad // Springer e-books. URL: http://dx.doi.org/10.1007/11892755