Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
26
PANGAEA - Data Publisher for Earth & Environmental Science
22
Unknown
20
Defense Technical Information Center: DTIC Technical Reports database
17
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
14
Directory of Open Access Journals: DOAJ Articles
12
Copernicus Publications: E-Journals
10
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
9
Arctic Council Repository
8
Institut national des sciences de l'Univers: HAL-INSU
8
University of Bergen: Bergen Open Research Archive (BORA-UiB)
7
Digital.CSIC (Spanish National Research Council)
6
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
5
Niedersächsisches Online-Archiv NOA
5
SAGE Publications (via Crossref)
5
University of Southampton: e-Prints Soton
5
Université de Nantes: HAL-UNIV-NANTES
5
Wiley Online Library
5
Arctic Portal Library
4
Instituto Español de Oceanografía: e-IEO
4
Natural Environment Research Council: NERC Open Research Archive
4
PubMed Central (PMC)
4
University of Copenhagen: Research
4
University of Tromsø: Munin Open Research Archive
4
Cambridge University Press
3
The Czech Academy of Sciences: Publication Activity (ASEP)
3
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
3
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
3
DIAL@UCLouvain (Université catholique de Louvain)
2
DIAL@USL-B (Université Saint-Louis, Bruxelles)
2
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
2
Ghent University Academic Bibliography
2
HAL Sorbonne Université
2
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
2
HighWire Press (Stanford University)
2
Journals at the University of Arizona
2
Max Planck Society: MPG.PuRe
2
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
2
Météo-France: HAL
2
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
2
Portail HAL-ANR (Agence Nationale de la Recherche)
2
Prince of Songkla University: PSU Knowledge Bank
2
SMHI (Swedish Meteorological and Hydrological Institute): Vetenskapliga Publikationer (DiVA)
2
Technical University of Denmark: DTU Orbit
2
University College London: UCL Discovery
2
Université Toulouse III - Paul Sabatier: HAL-UPS
2
Université de Bretagne Occidentale: HAL
2
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
2
École Polytechnique, Université Paris-Saclay: HAL
2
Aarhus University: OJS at The State and University Library
1
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