Ver http://www. youtube. com/watch? v=-qUNwxHjXYc o http://www. noticiasdenavarra. com/2011/10/30/ocio-y-cultura/ euskal-herria-mapas-que-atesor an-la-tierra-del-euskera o http://ehgam2010. blogspot. com/2011/11/jose-mari-esparza- zabalegik-mapas-para. html
