Sandra de Amo Waldecir Pereira Junior Arnaud Giacometti 1205-1225 2009 books/igi/Erickson2009 Database Technologies: Concepts, Methodologies, Tools, and Applications http://www.igi-global.com/Bookstore/Chapter.aspx?TitleId=7966 db/books/collections/Erickson2009.html#AmoJG09