"La legione invincibile / Guido Cervo, 2003. - . - Bibliothèque nationale, Italie. - http://catalogo.bncf.firenze.sbn.it. - 2005-08-05"@fr . "Guido Cervo" . . . . . . "VIAF" . . . . . "0000000003405995" . . . . . . . . . . . . "Cervo" . . . "male" . . . "2013-08-02"^^ . . . . . . . . "2005-08-05" . "2013-08-03" . . . . . "Guido Cervo"@fr . . "Guido" . . . "14649909"^^ .