Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
212
PANGAEA - Data Publisher for Earth & Environmental Science
88
Directory of Open Access Journals: DOAJ Articles
26
LeibnizOpen (The Leibniz Association)
20
Unknown
18
Copernicus Publications: E-Journals
9
Natural Environment Research Council: NERC Open Research Archive
8
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
Arctic Portal Library
4
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
4
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
4
University of Calgary Journal Hosting
4
University of Stavanger: UiS Brage
4
Utrecht University Repository
4
Wiley Online Library
4
Zenodo
4
Institut national des sciences de l'Univers: HAL-INSU
3
Masaryk University Journals
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
ARPI - Archivio della Ricerca dell'Università di Pisa
2
Aarhus University: Research
2
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
2
Cologne University: KUPS
2
Defense Technical Information Center: DTIC Technical Reports database
2
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
2
IRIS Università degli Studi di Perugia
2
Jagiellonian University Repository
2
LaCRIS - University of Lapland Current Research System
2
Lund University Publications (LUP)
2
Magnolia press
2
National Institute of Polar Research Repository, Japan
2
Norsk Polarinstitutt: Brage NP
2
Polar Research
2
Polar Research (E-Journal)
2
Technical University of Denmark: DTU Orbit
2
The Czech Academy of Sciences: Publication Activity (ASEP)
2
The University of Manchester: Research Explorer
2
University of Canterbury, Christchurch: UC Research Repository
2
University of Groningen research database
2
University of the Highlands and Islands: Research Database of UHI
2
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
2
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