Content Provider
Directory of Open Access Journals: DOAJ Articles
4,399
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2,415
DataCite Metadata Store (German National Library of Science and Technology)
2,375
Unknown
1,780
Institut national des sciences de l'Univers: HAL-INSU
1,764
ScienceDirect (Elsevier - via Crossref)
1,587
Université de Nantes: HAL-UNIV-NANTES
1,523
Wiley Online Library
1,522
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1,459
Springer Nature (via Crossref)
1,321
Digital.CSIC (Spanish National Research Council)
1,316
Niedersächsisches Online-Archiv NOA
1,278
Wiley Online Library (via Crossref)
1,251
LeibnizOpen (The Leibniz Association)
1,231
Natural Environment Research Council: NERC Open Research Archive
1,034
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1,009
University of Southampton: e-Prints Soton
1,003
Cambridge University Press
794
HAL Sorbonne Université
721
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
693
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
668
Max Planck Society: MPG.PuRe
635
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
588
ScienceDirect (Elsevier)
588
University of California: eScholarship
585
Instituto Español de Oceanografía: e-IEO
553
CentAUR: Central Archive at the University of Reading
519
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
504
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
453
Zenodo
427
Université de Bretagne Occidentale: HAL
418
RePEc (Research Papers in Economics)
399
École Polytechnique, Université Paris-Saclay: HAL
394
Archives ouvertes de Paris-Saclay
364
University of East Anglia: UEA Digital Repository
341
Frontiers (Publisher)
330
Muséum National d'Histoire Naturelle (MNHM): HAL
328
ORA - Oxford University Research Archive
314
Université de Paris: Portail HAL
312
Informa (via Crossref)
307
University of Copenhagen: Research
307
Oxford University Press (via Crossref)
302
University College London: UCL Discovery
301
Aarhus University: Research
291
University of Bergen: Bergen Open Research Archive (BORA-UiB)
286
University of St Andrews: Research Portal
273
University of the Highlands and Islands: Research Database of UHI
272
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
269
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
265
Oxford University Press
263
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