KALF, Ruth. FRBR: an Opportunity for Map Collections and Map Users?. LIBER Quarterly: The Journal of the Association of European Research Libraries, [S. l.], v. 18, n. 2, p. 276–291, 2008. DOI: 10.18352/lq.7927. Disponível em: https://liberquarterly.eu/article/view/10505. Acesso em: 16 sep. 2026.