SZANIAWSKÃ, L. Project to include Index Sheets in the Polish National Bibliography of Cartographic Materials. LIBER Quarterly: The Journal of the Association of European Research Libraries, [S. l.], v. 15, n. 1, 2005. DOI: 10.18352/lq.7805. Disponível em: https://liberquarterly.eu/article/view/10392. Acesso em: 4 may. 2024.