- Angel P. Del Pobil, José Mira, Moonis Ali, editors, Tasks and Methods in Applied Artificial Intelligence, 11th International Conference on Industrial and Engineering Applications of Artificial In telligence and Expert Systems, IEA/AIE-98, Castellón, Spain, June 1-4, 1998, Proceedings, Volume II. Volume 1416 of Lecture Notes in Computer Science, Springer, 1998.
- José Mira, Angel P. Del Pobil, editors, Methodology and Tools in Knowledge-Based Systems, 11th International Conference on Industrial and Engineering Applications of Artificial Intelligence and Expert Systems, IEA/AIE-98, Castellón, Spain, June 1-4, 1998, Proceedings, Volume I. Volume 1415 of Lecture Notes in Computer Science, Springer, 1998.