Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
36
DataCite Metadata Store (German National Library of Science and Technology)
27
Aarhus University: Research
26
Directory of Open Access Journals: DOAJ Articles
21
Unknown
16
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
15
Copernicus Publications: E-Journals
15
Niedersächsisches Online-Archiv NOA
11
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
9
Technical University of Denmark: DTU Orbit
9
Université de Nantes: HAL-UNIV-NANTES
9
Digital.CSIC (Spanish National Research Council)
8
Institut national des sciences de l'Univers: HAL-INSU
8
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
7
PubMed Central (PMC)
7
University of Copenhagen: Research
7
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
5
University of Southampton: e-Prints Soton
5
Defense Technical Information Center: DTIC Technical Reports database
4
NIOZ Repository (Royal Netherlands Institute for Sea Research)
4
Springer Nature (via Crossref)
4
University of Tromsø: Munin Open Research Archive
4
Wiley Online Library (via Crossref)
4
Aarhus University: OJS at The State and University Library
3
Griffith University: Griffith Research Online
3
HELDA – University of Helsinki Open Repository
3
HighWire Press (Stanford University)
3
IRD (Institute de recherche pour le développement): Horizon
3
Institute for Marine Research: Brage IMR
3
Muséum National d'Histoire Naturelle (MNHM): HAL
3
Natural Environment Research Council: NERC Open Research Archive
3
Tidsskrift.dk (The Royal Library, Denmark)
3
Universidad de Las Palmas de Gran Canaria: Acceda
3
University of Southern Denmark Research Portal
3
University of the Highlands and Islands: Research Database of UHI
3
Canadian Science Publishing
2
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
2
GEO-LEOe-docs (FID GEO)
2
HAL Sorbonne Université
2
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
2
Lund University Publications (LUP)
2
MDPI Open Access Publishing
2
Max Planck Society: MPG.PuRe
2
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
2
Universitat de Lleida: Repositori Obert UdL
2
University of Bergen: Bergen Open Research Archive (BORA-UiB)
2
University of California Press
2
University of Groningen research database
2
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
2
Université de Bretagne Occidentale: HAL
2
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