Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
1,168
Research Data Australia (Australian National Data Service - ANDS)
316
University of Tasmania: UTas ePrints
63
eCite UTAS (University of Tasmania)
55
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
39
Université de Nantes: HAL-UNIV-NANTES
36
Unknown
35
Directory of Open Access Journals: DOAJ Articles
33
PANGAEA - Data Publisher for Earth & Environmental Science
29
Copernicus Publications: E-Journals
20
LeibnizOpen (The Leibniz Association)
19
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
16
Natural Environment Research Council: NERC Open Research Archive
13
Niedersächsisches Online-Archiv NOA
13
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
12
Institut national des sciences de l'Univers: HAL-INSU
12
PubMed Central (PMC)
11
IEDA: US Antarctic Program Data Center (via DataONE)
10
University of California: eScholarship
10
Utrecht University Repository
9
Australian National University: ANU Digital Collections
8
Digital.CSIC (Spanish National Research Council)
8
Zenodo
8
Montclair State University Digital Commons
7
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
7
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
6
The University of Queensland: UQ eSpace
6
University of Southampton: e-Prints Soton
6
Università degli Studi di Genova: CINECA IRIS
6
Università degli studi di Trieste: ArTS (Archivio della ricerca di Trieste)
6
Imperial College London: Spiral
5
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
5
Old Dominion University: ODU Digital Commons
5
University of St Andrews: Research Portal
5
Wiley Online Library
5
Anagrafe della Ricerca d'Ateneo (Universitá degli studi Roma Tre)
4
Cambridge University Press
4
EPHE (Ecole pratique des hautes études, Paris): HAL
4
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
4
NASA Technical Reports Server (NTRS)
4
NIOZ Repository (Royal Netherlands Institute for Sea Research)
4
TU Delft: Institutional Repository (Delft University of Technology)
4
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
3
Frontiers: Figshare
3
HAL - Université de La Rochelle
3
HAL Sorbonne Université
3
LillOA (HAL Lille Open Archive, Université de Lille)
3
MDPI Open Access Publishing
3
Muséum National d'Histoire Naturelle (MNHM): HAL
3
National Institute of Polar Research Repository, Japan
3
more ...