Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
2,859
PANGAEA - Data Publisher for Earth & Environmental Science
88
Directory of Open Access Journals: DOAJ Articles
29
Unknown
24
LeibnizOpen (The Leibniz Association)
20
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
16
Natural Environment Research Council: NERC Open Research Archive
15
Zenodo
14
Arctic Data Center (via DataONE)
13
Copernicus Publications: E-Journals
9
Niedersächsisches Online-Archiv NOA
7
Royal Holloway University of London: Royal Holloway Digital Repository
7
Cambridge University Press
6
MDPI Open Access Publishing
6
University of Tromsø: Munin Open Research Archive
6
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
5
PubMed Central (PMC)
5
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
5
University of Washington, Seattle: Digital Collections
5
Arctic Portal Library
4
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
4
Research Data Australia (Australian National Data Service - ANDS)
4
University of Calgary Journal Hosting
4
University of Stavanger: UiS Brage
4
Utrecht University Repository
4
Wiley Online Library
4
ARPI - Archivio della Ricerca dell'Università di Pisa
3
Ice and Snow (E-Journal)
3
Institut national des sciences de l'Univers: HAL-INSU
3
Masaryk University Journals
3
National Institute of Polar Research Repository, Japan
3
Norwegian Polar Data Centre
3
SAGE Publications
3
University of Bergen: Bergen Open Research Archive (BORA-UiB)
3
University of Tasmania: UTas ePrints
3
Université de Nantes: HAL-UNIV-NANTES
3
Aarhus University: OJS at The State and University Library
2
Aarhus University: Research
2
ArXiv.org (Cornell University Library)
2
Brill (via Crossref)
2
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
2
Caltech Authors (California Institute of Technology)
2
Cologne University: KUPS
2
De Gruyter (via Crossref)
2
Defense Technical Information Center: DTIC Technical Reports database
2
Digital.CSIC (Spanish National Research Council)
2
Dryad Digital Repository (Duke University)
2
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
2
Griffith University: Griffith Research Online
2
IRIS Università degli Studi di Perugia
2
more ...