Content Provider
Defense Technical Information Center: DTIC Technical Reports database
274
DataCite Metadata Store (German National Library of Science and Technology)
146
Arctic Data Center (via DataONE)
81
Directory of Open Access Journals: DOAJ Articles
47
Unknown
40
University of Copenhagen: Research
39
Technical University of Denmark: DTU Orbit
36
Aarhus University: Research
34
Copernicus Publications: E-Journals
31
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
22
LeibnizOpen (The Leibniz Association)
19
University of Calgary Journal Hosting
17
Lund University Publications (LUP)
14
PubMed Central (PMC)
14
Université de Nantes: HAL-UNIV-NANTES
14
PANGAEA - Data Publisher for Earth & Environmental Science
13
University of California: eScholarship
12
Institut national des sciences de l'Univers: HAL-INSU
10
Niedersächsisches Online-Archiv NOA
10
Dryad Digital Repository (Duke University)
9
Ohio State University (OSU): Knowledge Bank
8
DIAL@USL-B (Université Saint-Louis, Bruxelles)
6
Eberhard Karls University Tübingen: Publication System
6
Lund University Publications Student Papers (LUP-SP)
6
RePEc (Research Papers in Economics)
6
Université Savoie Mont Blanc: HAL
6
Wiley Online Library
6
Australian Nuclear Science and Technology Organisation: ANSTO Publications Online
5
DIAL@UCLouvain (Université catholique de Louvain)
5
DataCite
5
Frontiers: Figshare
5
Max Planck Society: MPG.PuRe
5
Natural Environment Research Council: NERC Open Research Archive
5
ScienceDirect (Elsevier - via Crossref)
5
Umeå University: Publications (DiVA)
5
University of Bergen: Bergen Open Research Archive (BORA-UiB)
5
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
4
ETH Zürich Research Collection
4
Hathi Trust Digital Library
4
Jultika - University of Oulu repository
4
MDPI Open Access Publishing
4
University of Nebraska-Lincoln: DigitalCommons@UNL
4
Uppsala University: Publications (DiVA)
4
Arctic Council Repository
3
Cambridge University Press
3
Delft University of Technology: Institutional Repository
3
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
3
International Arctic Research Center (IARC) Data Archive (via DataONE)
3
LaCRIS - University of Lapland Current Research System
3
Loughborough University: Figshare
3
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