Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
22
Natural Environment Research Council: NERC Open Research Archive
18
Directory of Open Access Journals: DOAJ Articles
7
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
4
NOAA NCEI Environmental Data Archive (via DataONE)
4
Research Data Australia (Australian National Data Service - ANDS)
4
University of Alaska: ScholarWorks@UA
4
Université de Nantes: HAL-UNIV-NANTES
4
Unknown
4
Vrije Universiteit Amsterdam (VU): Research Portal
3
Apollo - University of Cambridge Repository
2
Digital Commons at Oberlin (Oberlin College)
2
National Institute of Polar Research Repository, Japan
2
PubMed Central (PMC)
2
University of Pennsylvania: ScholaryCommons@Penn
2
Université de Genève: Archive ouverte UNIGE
2
WHO (World Health Organization): Institutional Repository for Information Sharing (IRIS)
2
Australian National University: ANU Digital Collections
1
BioMed Central
1
CIRAD: HAL (Agricultural Research for Development)
1
Cambridge University Press
1
DRO - Deakin Research Online
1
Defense Technical Information Center: DTIC Technical Reports database
1
Discovery - University of Dundee Online Publications
1
HighWire Press (Stanford University)
1
IRInSubria - Institutional Repository Insubria (Università degli Studi dell’Insubria)
1
Institut national des sciences de l'Univers: HAL-INSU
1
KNAW: Research Explorer (Royal Netherlands Academy of Arts and Sciences)
1
Lund University Publications (LUP)
1
MDPI Open Access Publishing
1
Murdoch University: Murdoch Research Repository
1
National Library of Australia: Digital Collections
1
Northumbria University, Newcastle: Northumbria Research Link (NRL)
1
Ohio State University (OSU): Knowledge Bank
1
PUB - Publications at Bielefeld University
1
Pergamos - Library and Information Center of National and Kapodistrian University of Athens
1
Scientific Research Publishing (SCIRP Open Access - via Crossref)
1
The University of Queensland: UQ eSpace
1
USP Production Repository (Universidade de São Paulo)
1
University of Copenhagen: Research
1
University of Malaya: UM Students' Repository
1
University of Michigan: Digital Collections
1
University of Tasmania: UTas ePrints
1
Università degli studi di Trieste: ArTS (Archivio della ricerca di Trieste)
1
Université de Montpellier: HAL
1
White Rose Research Online (Universities of Leeds, Sheffield & York)
1
Wiley Online Library
1
eCite UTAS (University of Tasmania)
1