Online Access to the Catalogue and Bibliography of Cartographic Materials of the National Library of Poland (NLP). LIBER Quarterly: The Journal of the Association of European Research Libraries, [S. l.], v. 20, n. 2, p. 289–303, 2010. DOI: 10.18352/lq.7994. Disponível em: https://testplatform.openjournals.nl/liberquarterly/article/view/10577.. Acesso em: 22 nov. 2024.