Content Provider
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
62
DataCite Metadata Store (German National Library of Science and Technology)
5
Zenodo
4
Digital.CSIC (Spanish National Research Council)
2
IEEE Publications (via Crossref)
2
Pohang University of Science and Technology (POSTECH): Open Access System for Information Sharing (OASIS)
2
University of Malaya: UM Institutional Repository
1