Moreno, Antonio; Bajo Pérez, Javier; Botti, Vicente; Corchado Rodríguez, Juan M.; Illarramendi, Arantza; Llari, Sergio; Julián Inglada, Vicente; López, Miguel A.; Marsá, Iván; Mena, Eduardo; Pavón Mestras, Juan; Valls, Aida (February 2008). Agent Applications in Tourism. Issues in Multi-Agent Systems: The AgentCities.ES Experience, Whitestein Series in Software Agent Technologies and Autonomic Computing. pp. 179-206. Antonio Moreno and Juan Pavon (Eds.) Birkhäuser (Springer Verlag).