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
PANGAEA - Data Publisher for Earth & Environmental Science
22
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
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
University of the Highlands and Islands: Research Database of UHI
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
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
Canadian Science Publishing
2
EPHE (Ecole pratique des hautes études, Paris): HAL
2
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
more ...