Representing and Reasoning on Three-Dimensional Qualitative Orientation Point Objects. - Julio Pacheco; M. Teresa Escrig; Francisco Toledo (EPIA, 2001)

Integrating 3D Orientation Models. - Julio Pacheco; M. Teresa Escrig; Francisco Toledo (CCIA, 2002)

Several Models on Qualitative Motion as instances of the CSP. - M. Teresa Escrig; Lledó Museros Cabedo; Julio Pacheco; Francisco Toledo (Inteligencia Artif., 2002)

Development of a Webots Simulator for the Lauron IV Robot. - Julio Pacheco; Francesc Benito (CCIA, 2005)

Coarse Qualitative Model of 3-D Orientation. - Julio Pacheco; M. Teresa Escrig (CCIA, 2006)