Content Provider
Unknown
851
DataCite Metadata Store (German National Library of Science and Technology)
821
Directory of Open Access Journals: DOAJ Articles
820
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
608
eCite UTAS (University of Tasmania)
551
Université de Nantes: HAL-UNIV-NANTES
461
Natural Environment Research Council: NERC Open Research Archive
416
PubMed Central (PMC)
334
University of Tasmania: UTas ePrints
327
LeibnizOpen (The Leibniz Association)
317
Copernicus Publications: E-Journals
274
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
235
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
204
University of Southampton: e-Prints Soton
201
PANGAEA - Data Publisher for Earth & Environmental Science
183
Niedersächsisches Online-Archiv NOA
176
Institut national des sciences de l'Univers: HAL-INSU
170
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
166
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
163
University of St Andrews: Research Portal
137
Digital.CSIC (Spanish National Research Council)
131
Springer Nature (via Crossref)
113
National Institute of Polar Research Repository, Japan
108
Cambridge University Press
105
Wiley Online Library
97
MDPI Open Access Publishing
87
University of Canterbury, Christchurch: UC Research Repository
87
DIAL@USL-B (Université Saint-Louis, Bruxelles)
84
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
79
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
76
HAL - Université de La Rochelle
67
The University of Queensland: UQ eSpace
65
University of Groningen research database
63
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
60
Magnolia press
60
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
60
University of Pretoria: UPSpace
60
University of California: eScholarship
56
ScienceDirect (Elsevier - via Crossref)
55
Utrecht University Repository
55
University of Cape Town: OpenUCT
54
University of East Anglia: UEA Digital Repository
54
Apollo - University of Cambridge Repository
52
HighWire Press (Stanford University)
51
Muséum National d'Histoire Naturelle (MNHM): HAL
48
Université de Bretagne Occidentale: HAL
47
NIOZ Repository (Royal Netherlands Institute for Sea Research)
46
DSpace@MIT (Massachusetts Institute of Technology)
45
Australian National University: ANU Digital Collections
44
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
43
more ...