SIERMAN, Barbara. The Jigsaw Puzzle of Digital Preservation — an Overview. LIBER Quarterly: The Journal of the Association of European Research Libraries, [S. l.], v. 19, n. 1, p. 13–21, 2009. DOI: 10.18352/lq.7949. Disponível em: https://testplatform.openjournals.nl/liberquarterly/article/view/10546. Acesso em: 11 apr. 2026.