Joan Fons Vicente Pelechano Manoli Albert Oscar Pastor Development of Web Applications from Web Enhanced Conceptual Schemas. 232-245 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2813&spage=232 2003 conf/er/2003 ER db/conf/er/er2003.html#FonsPAP03