LESKIEN, Hermann. German Alliance for the Protection of the Written Heritage. LIBER Quarterly: The Journal of the Association of European Research Libraries, [S. l.], v. 12, n. 4, p. 353–360, 2002. DOI: 10.18352/lq.7702. Disponível em: https://liberquarterly.eu/article/view/10291.. Acesso em: 23 nov. 2024.