Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
250
Directory of Open Access Journals: DOAJ Articles
144
Cambridge University Press
111
Australian National University: ANU Digital Collections
95
Natural Environment Research Council: NERC Open Research Archive
90
The University of Queensland: UQ eSpace
56
Magnolia press
55
Wiley Online Library
55
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
50
Unknown
49
eCite UTAS (University of Tasmania)
49
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
46
Informa (via Crossref)
34
Université de Nantes: HAL-UNIV-NANTES
33
The University of Adelaide: Digital Library
31
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
27
University of Tasmania: UTas ePrints
27
The University of Waikato: Research Commons
23
Digital.CSIC (Spanish National Research Council)
22
Niedersächsisches Online-Archiv NOA
22
University of Southampton: e-Prints Soton
20
Institut national des sciences de l'Univers: HAL-INSU
19
Springer Nature (via Crossref)
19
Dryad Digital Repository (Duke University)
17
The Royal Society
16
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
15
University of California: eScholarship
15
ScienceDirect (Elsevier - via Crossref)
14
University of Pretoria: UPSpace
14
Caltech Authors (California Institute of Technology)
13
James Cook University, Australia: ResearchOnline@JCU
12
University of Wollongong, Australia: Research Online
11
Curtin University: espace
10
Informa
10
Universidad Nacional de La Plata (UNLP): SeDiCI (Servicio de Difusión de la Creación Intelectual)
10
University of Auckland Research Repository - ResearchSpace
9
University of St Andrews: Research Portal
9
Cardiff University: ORCA (Online Research @ Cardiff)
8
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
8
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
8
Lund University Publications (LUP)
8
Universidad de Chile: Repositorio académico
8
University of Canterbury, Christchurch: UC Research Repository
8
University of Glasgow: Enlighten - Publications
8
Apollo - University of Cambridge Repository
7
Cambridge University Press (via Crossref)
7
HAL - Université de La Rochelle
7
Murdoch University: Murdoch Research Repository
7
Oxford University Press (via Crossref)
7
ScienceDirect (Elsevier)
7
more ...