roadoi

Find Free Versions of Scholarly Publications via Unpaywall

CRAN Package

This web client interfaces Unpaywall , formerly oaDOI, a service finding free full-texts of academic papers by linking DOIs with open access journals and repositories. It provides unified access to various data sources for open access full-text links including Crossref and the Directory of Open Access Journals (DOAJ). API usage is free and no registration is required.

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Dependencies

  • Imports10 packages
  • Suggests6 packages