Content Provider
University of Tromsø: Munin Open Research Archive
44
Directory of Open Access Journals: DOAJ Articles
41
Copernicus Publications: E-Journals
27
DataCite Metadata Store (German National Library of Science and Technology)
25
LeibnizOpen (The Leibniz Association)
20
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
20
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
16
PANGAEA - Data Publisher for Earth & Environmental Science
16
Niedersächsisches Online-Archiv NOA
13
Unknown
12
Institut national des sciences de l'Univers: HAL-INSU
11
Aarhus University: Research
8
Norwegian Institute for Water research: NIVA Open Access Archive (Brage)
8
University of Bergen: Bergen Open Research Archive (BORA-UiB)
8
Université de Nantes: HAL-UNIV-NANTES
7
HAL Sorbonne Université
6
Institute for Marine Research: Brage IMR
6
NIOZ Repository (Royal Netherlands Institute for Sea Research)
6
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
6
PubMed Central (PMC)
5
MDPI Open Access Publishing
4
ScienceDirect (Elsevier - via Crossref)
4
Springer Nature (via Crossref)
4
University of Groningen research database
4
University of the Highlands and Islands: Research Database of UHI
4
Zenodo
4
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
3
Digital.CSIC (Spanish National Research Council)
3
HighWire Press (Stanford University)
3
NTNU Open Archive (Norwegian University of Science and Technology)
3
Pohang University of Science and Technology (POSTECH): Open Access System for Information Sharing (OASIS)
3
Portail HAL-ANR (Agence Nationale de la Recherche)
3
University of Tasmania: UTas ePrints
3
Université de Bretagne Occidentale: HAL
3
eCite UTAS (University of Tasmania)
3
IRIS Università degli Studi di Perugia
2
NILU – Norwegian Institute for Air Research: NILU Brage
2
National Institute of Polar Research Repository, Japan
2
Open archive Norwegian University of Life Sciences: Brage NMBU
2
PEARL (Plymouth Electronic Archiv & ResearchLibrary, Plymouth University)
2
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
2
Polar Research (E-Journal)
2
Universidad de Las Palmas de Gran Canaria: Acceda
2
Universiteit van Amsterdam: Digital Academic Repository (UvA DARE)
2
University of North Carolina: NC DOCKS (Digital Online Collection of Knowledge and Scholarship)
2
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
2
Utrecht University Repository
2
Wageningen UR (University & Research Centre): Digital Library
2
ARPI - Archivio della Ricerca dell'Università di Pisa
1
Canadian Science Publishing
1
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