Texture segmentation and analysis using local spectral methods. - Gabriel Cristóbal; Sylvain Fischer; Manuel Forero-Vargas; Rafael Redondo; Javier Hormigo (ISSPA (1), 2003)

Diatom Screening and Classification by Shape Analysis. - Manuel Forero-Vargas; Rafael Redondo; Gabriel Cristóbal (VLBV, 2003)