HIRWADE, M. A.; BHERWANI, M. T. Facilitating Searches in Multiple Bibliographical Databases: Metadata Harvesting Service Providers. LIBER Quarterly: The Journal of the Association of European Research Libraries, [S. l.], v. 19, n. 2, p. 140–165, 2009. DOI: 10.18352/lq.7958. Disponível em: https://liberquarterly.eu/article/view/10550. Acesso em: 7 dec. 2021.