Content Provider
Directory of Open Access Journals: DOAJ Articles
38
LeibnizOpen (The Leibniz Association)
22
DataCite Metadata Store (German National Library of Science and Technology)
13
University of California: eScholarship
11
Unknown
9
Wiley Online Library
9
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
6
IRInSubria - Institutional Repository Insubria (Università degli Studi dell’Insubria)
5
Natural Environment Research Council: NERC Open Research Archive
5
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
4
Cambridge University Press
4
RePEc (Research Papers in Economics)
4
eCite UTAS (University of Tasmania)
4
CentAUR: Central Archive at the University of Reading
3
Digital.CSIC (Spanish National Research Council)
3
Lund University Publications (LUP)
3
Niedersächsisches Online-Archiv NOA
3
Università degli Studi di Siena: USiena air
3
Université de Nantes: HAL-UNIV-NANTES
3
Aarhus University: Research
2
Belarusian State University: Electronic Library BSU
2
Carleton University's Institutional Repository
2
Cologne University: KUPS
2
Columbia University: Academic Commons
2
DSpace@MIT (Massachusetts Institute of Technology)
2
DergiPark Akademik (E-Journals)
2
Indian Academy of Sciences: Publication of Fellows
2
Institut national des sciences de l'Univers: HAL-INSU
2
MRJ - MyResearchJournals (MRI Publications Lucknow, Uttar Pradesh, India)
2
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
2
Oxford University Press
2
Padua Research Archive (IRIS - Università degli Studi di Padova)
2
Polar Research (E-Journal)
2
Portal de Periódicos da UFRJ (Universidade Federal do Rio de Janeiro)
2
SRUC (Scotland's Rural College): Research Portal
2
SSOAR - Social Science Open Access Repository
2
Technical University of Denmark: DTU Orbit
2
The Royal Society
2
The University of Waikato: Research Commons
2
Universidade de Lisboa: repositório.UL
2
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
2
University College London: UCL Discovery
2
University of Potsdam: publish.UP
2
University of Southampton: e-Prints Soton
2
University of Western Sydney (UWS): Research Direct
2
University of the Highlands and Islands: Research Database of UHI
2
Università degli Studi di Ferrara: CINECA IRIS
2
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
2
AAAS Resource Center (American Association for the Advancement of Science)
1
ARPI - Archivio della Ricerca dell'Università di Pisa
1
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