HÄKLI, Esko. Preservation Policy: A Challenging Task Both on a National and Local Level. LIBER Quarterly: The Journal of the Association of European Research Libraries, [S. l.], v. 12, n. 4, p. 333–343, 2002. DOI: 10.18352/lq.7700. Disponível em: https://liberquarterly.eu/article/view/10293.. Acesso em: 27 jul. 2024.