Registred
- Latindex Catalogue, is an information system on scientific research, technical-professional and scientific and cultural outreach journals. The catalog only includes printed or electronic journals that meet the editorial quality criteria designed by Latindex.
- BASE, is one of the world's largest search engines especially for open access academic web resources. It is operated by the Bielefeld University Library.
- CORE, is an aggregator of free access research results.
Buscadores académicos:
- Google Scholar, search engine specialized in retrieving scientific documents and identifying the citations they have received.
- Crossref, metadata search engine for journal articles, books, standards, data sets.
