Content Provider
Unknown
30
Directory of Open Access Journals: DOAJ Articles
28
Copernicus Publications: E-Journals
21
DataCite Metadata Store (German National Library of Science and Technology)
16
Niedersächsisches Online-Archiv NOA
16
University of Calgary Journal Hosting
11
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
10
Wiley Online Library
7
Defense Technical Information Center: DTIC Technical Reports database
6
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
6
Institut national des sciences de l'Univers: HAL-INSU
5
Université de Nantes: HAL-UNIV-NANTES
5
Aarhus University: Research
4
NIOZ Repository (Royal Netherlands Institute for Sea Research)
4
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
4
Cambridge University Press
3
Hereon Publications (Helmholtz-Zentrum)
3
PANGAEA - Data Publisher for Earth & Environmental Science
3
Polar Research (E-Journal)
3
Theses Canada/Thèses Canada (Library and Archives Canada)
3
University of Victoria (Canada): UVicDSpace
3
Aalto University Publication Archive (Aaltodoc)
2
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
2
Canadian Science Publishing (via Crossref)
2
Carleton University's Institutional Repository
2
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
2
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
2
HighWire Press (Stanford University)
2
MSpace at the University of Manitoba
2
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
2
Natural Environment Research Council: NERC Open Research Archive
2
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
2
Polar Research
2
PubMed Central (PMC)
2
Queen's University, Ontario: QSpace
2
ScholarsArchive@OSU (Oregon State University)
2
University of Southampton: e-Prints Soton
2
University of Tasmania: UTas ePrints
2
Université de Bretagne Occidentale: HAL
2
Zenodo
2
eCite UTAS (University of Tasmania)
2
Archives ouvertes de Paris-Saclay
1
Arctic Portal Library
1
CMRE Open Library (NATO STO Centre for Maritime Research and Experimentation
1
CentAUR: Central Archive at the University of Reading
1
DSpace@MIT (Massachusetts Institute of Technology)
1
Dalhousie University: DalSpace Institutional Repository
1
ETH Zürich Research Collection
1
HAL Sorbonne Université
1
HELDA – University of Helsinki Open Repository
1
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