Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
202,288
Environmental Data Initiative (via DataONE)
19
Zenodo
13
Pensoft Publishers
6
Directory of Open Access Journals: DOAJ Articles
5
Digital.CSIC (Spanish National Research Council)
3
Altai State University: Scientific Journals of ASU
2
Frontiers: Figshare
2
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Archivio della ricerca dell'Università di Modena e Reggio Emilia (Unimore: IRIS)
1
Dryad Digital Repository (Duke University)
1
HAL - Université de La Rochelle
1
Swedish Museum of Natural History: Publications (DiVA)
1
University of California: eScholarship
1
Università degli Studi di Genova: CINECA IRIS
1
Unknown
1