http://www.repubblica.it/tecnologia/2010/04/20/news/biblioteca_vaticana-3489668/http://www.esa.int/esaCP/SEMHUXAX9WG_Italy_2.htmlhttp://freeforumzone.leonardo.it/lofi/Immagini-stellari-aiutano-a-preservare-i-libri-del-Vaticano/D10070038.htmlhttp://www.innovationnewsdaily.com/750-vatican-library-digital-star-scanning.html