Jugurta Lisboa Filho Victor de Freitas Sodré Jaudete Daltio Maurício Fidelis Rodrigues Júnior Valério Vilela A CASE Tool for Geographic Database Design Supporting Analysis Patterns. 43-54 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3289&spage=43 2004 conf/er/2004w ER (Workshops) db/conf/er/erw2004.html#FilhoSDJV04