Fernando Molina Jesús Pardillo Cristina Cachero José Ambrosio Toval Álvarez Towards a Requirements-Aware Common Web Engineering Metamodel. 75-82 2008 LA-WEB http://dx.doi.org/10.1109/LA-WEB.2008.10 conf/la-web/2008 db/conf/la-web/la-web2008.html#MolinaPCA08