Map building with ultrasonic sensors of indoor environments using neural networks. - F. Javier Toledo; J. D. Luis-Delgado; Luis-Manuel Tomás-Balibrea; Miguel Angel Zamora; Humberto Martínez (SMC, 2000)

Automatic system for quality-based classification of marble textures. - J. Martinez-Alajarin; J. D. Luis-Delgado; Luis-Manuel Tomás-Balibrea (IEEE Trans. Syst. Man Cybern. Part C, 2005)