SCHWARTZ, Werner. On the importance of recording microforms and digitised versions produced for preservation on the international level, with a focus on standards. LIBER Quarterly: The Journal of the Association of European Research Libraries, [S. l.], v. 13, n. 2, 2003. DOI: 10.18352/lq.7725. Disponível em: https://liberquarterly.eu/article/view/10315.. Acesso em: 25 dec. 2024.