Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
221
PANGAEA - Data Publisher for Earth & Environmental Science
95
Directory of Open Access Journals: DOAJ Articles
49
Unknown
33
LeibnizOpen (The Leibniz Association)
20
Informa (via Crossref)
14
Copernicus Publications: E-Journals
13
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
12
Cambridge University Press
10
Natural Environment Research Council: NERC Open Research Archive
10
Niedersächsisches Online-Archiv NOA
10
University of Tromsø: Munin Open Research Archive
9
Informa
7
National Institute of Polar Research Repository, Japan
7
PubMed Central (PMC)
7
Royal Holloway University of London: Royal Holloway Digital Repository
7
Université de Nantes: HAL-UNIV-NANTES
7
Institut national des sciences de l'Univers: HAL-INSU
6
MDPI Open Access Publishing
6
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
6
University of Bergen: Bergen Open Research Archive (BORA-UiB)
6
University of Groningen research database
6
Zenodo
6
Aarhus University: Research
5
Arctic Portal Library
5
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
5
Norsk Polarinstitutt: Brage NP
5
ARPI - Archivio della Ricerca dell'Università di Pisa
4
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
4
Defense Technical Information Center: DTIC Technical Reports database
4
Masaryk University Journals
4
Norwegian Polar Institute: Brage NP
4
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
4
University of Calgary Journal Hosting
4
University of Stavanger: UiS Brage
4
Utrecht University Repository
4
Charles University CU Digital repository
3
Cologne University: KUPS
3
Ghent University Academic Bibliography
3
IRUA - Institutional Repository van de Universiteit Antwerpen
3
LaCRIS - University of Lapland Current Research System
3
Polar Research (E-Journal)
3
SAGE Publications (via Crossref)
3
Sapienza Università di Roma: CINECA IRIS
3
Springer Nature (via Crossref)
3
The University of Manchester: Research Explorer
3
University of Tasmania: UTas ePrints
3
Uppsala University: Publications (DiVA)
3
eCite UTAS (University of Tasmania)
3
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
2
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