1. Lect Notes Comput Sci;C. Cachero,2000
2. S. Ceri, P. Fraternali, and A. Bongio. Web Modeling Language (WebML): a modeling language for designing Web sites WWW9 Conference. In First ICSE Workshop on Web Engineering, International Conference on Software Engineering, 05 2000.
3. U. Dayal. Active Database Management Systems. In Proc. 3rd Int. Conference on Data and Knowledge Bases, pages 150–169, 1988.
4. I. Garrigós, C. Cachero, and J. Gómez. Modelado Conceptual de aplicaciones adaptivas y proactivas en OO-H. In II Taller sobre Ingeniería del Software Orientado al Web (JISBD 2002), 11 2002.
5. A. Ginige and S. Murugesan. Web Engineering: an Introduction. IEEE Multimedia Special Issue on Web Engineering, pages 14–18, 04 2001.