Rocha, Paulo AlexandreSantos, Diana2009-11-032009-11-032006-02-282004Paulo Alexandre Rocha; Diana Santos. "Portuguese at CLEF". (SINTEF, 27 April 2004)http://hdl.handle.net/10400.26/52http://www.linguateca.pt/superb/busca_publ.pl?idi=1141122377application/pdfenglecture