XML for Libraries, Archives, and Museums: The Project Covax. - Francisca Hernández; Carlos Wert; Ignacio Recio; Begoña Aguilera; Walter Koch; Martin Bogensperger; Peter Linde; Georg Günter; Bob Mulrenin; Xavier Agenjo; Robin Yeates; Luciana Bordoni; et al. (Appl. Artif. Intell., 2003)

Analysis and Design of an Object Tracking Service for Intelligent Environments. - Ignacio Recio; José Manuel Moya; Álvaro Araujo; Juan Carlos Vallejo; Pedro Malagón (IWANN (2), 2009)