Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
37
Natural Environment Research Council: NERC Open Research Archive
13
Unknown
11
DataCite Metadata Store (German National Library of Science and Technology)
9
Copernicus Publications: E-Journals
8
Directory of Open Access Journals: DOAJ Articles
7
eCite UTAS (University of Tasmania)
7
Niedersächsisches Online-Archiv NOA
5
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
4
University of Tasmania: UTas ePrints
4
Université de Nantes: HAL-UNIV-NANTES
4
Cambridge University Press
3
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
3
Anagrafe della Ricerca d'Ateneo (Universitá degli studi Roma Tre)
2
Apollo - University of Cambridge Repository
2
Brunel University London: Brunel University Research Archive (BURA)
2
Institut national des sciences de l'Univers: HAL-INSU
2
Keele University: Keele Research Repository
2
MDPI Open Access Publishing
2
SAGE Publications (via Crossref)
2
The University of Liverpool Repository
2
The University of Manchester: Research Explorer
2
University of California: eScholarship
2
Università degli Studi della Campania "Luigi Vanvitelli": CINECA IRIS V:
2
Aarhus University: Research
1
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Arctic Portal Library
1
ENEA-IRIS Open Archive (Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile)
1
EPHE (Ecole pratique des hautes études, Paris): HAL
1
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
1
Imperial College London: Spiral
1
Northumbria University, Newcastle: Northumbria Research Link (NRL)
1
OSKAR Bordeaux (Open Science Knowledge ARchive)
1
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
1
PubMed Central (PMC)
1
Stockholm University Press
1
The Royal Society (via Crossref)
1
The University of Adelaide: Digital Library
1
Universidad de Chile: Repositorio académico
1
University of Groningen research database
1
University of Tromsø: Munin Open Research Archive
1
University of the Highlands and Islands: Research Database of UHI
1
Uppsala University: Publications (DiVA)
1
Utrecht University Repository
1
White Rose Research Online (Universities of Leeds, Sheffield & York)
1
Wiley Online Library (via Crossref)
1