Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
675
Directory of Open Access Journals: DOAJ Articles
413
Cambridge University Press
221
Wiley Online Library (via Crossref)
159
Informa (via Crossref)
149
Australian National University: ANU Digital Collections
125
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
119
Natural Environment Research Council: NERC Open Research Archive
116
Unknown
107
The University of Queensland: UQ eSpace
105
Magnolia press
89
eCite UTAS (University of Tasmania)
88
Springer Nature (via Crossref)
77
Wiley Online Library
73
Université de Nantes: HAL-UNIV-NANTES
69
ScienceDirect (Elsevier - via Crossref)
61
RePEc (Research Papers in Economics)
56
University of Tasmania: UTas ePrints
55
The University of Waikato: Research Commons
54
University of California: eScholarship
53
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
49
Niedersächsisches Online-Archiv NOA
47
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
46
The University of Adelaide: Digital Library
44
Zenodo
44
Digital.CSIC (Spanish National Research Council)
39
University of St Andrews: Research Portal
39
Institut national des sciences de l'Univers: HAL-INSU
36
University of Auckland Research Repository - ResearchSpace
33
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
32
Dryad Digital Repository (Duke University)
32
James Cook University, Australia: ResearchOnline@JCU
32
University of Southampton: e-Prints Soton
30
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
27
Oxford University Press (via Crossref)
25
University of Canterbury, Christchurch: UC Research Repository
25
Apollo - University of Cambridge Repository
24
The Royal Society (via Crossref)
24
Cambridge University Press (via Crossref)
23
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
20
ScienceDirect (Elsevier)
20
University of Groningen research database
20
Murdoch University: Murdoch Research Repository
19
Informa
17
SAGE Publications (via Crossref)
17
Caltech Authors (California Institute of Technology)
16
Curtin University: espace
16
University of St Andrews: Digital Research Repository
16
Ghent University Academic Bibliography
15
University of Pretoria: UPSpace
15
more ...