Content Provider
LeibnizOpen (The Leibniz Association)
87
Unknown
46
Directory of Open Access Journals: DOAJ Articles
43
DataCite Metadata Store (German National Library of Science and Technology)
25
Copernicus Publications: E-Journals
24
Cambridge University Press
16
Niedersächsisches Online-Archiv NOA
16
University of California: eScholarship
15
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
13
Institut national des sciences de l'Univers: HAL-INSU
11
Ohio State University (OSU): Knowledge Bank
11
University of Bristol: Bristol Research
11
Université de Nantes: HAL-UNIV-NANTES
10
PANGAEA - Data Publisher for Earth & Environmental Science
7
Technical University of Denmark: DTU Orbit
7
Utrecht University Repository
7
eCite UTAS (University of Tasmania)
7
Columbia University: Academic Commons
6
MDPI Open Access Publishing
6
Météo-France: HAL
6
University of Copenhagen: Research
6
Université Toulouse III - Paul Sabatier: HAL-UPS
6
Wiley Online Library
6
AAAS Resource Center (American Association for the Advancement of Science)
5
Australian Nuclear Science and Technology Organisation: ANSTO Publications Online
5
Defense Technical Information Center: DTIC Technical Reports database
5
LaCRIS - University of Lapland Current Research System
5
Northumbria University, Newcastle: Northumbria Research Link (NRL)
5
PubMed Central (PMC)
5
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
5
The University of Manchester: Research Explorer
5
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
5
MRJ - MyResearchJournals (MRI Publications Lucknow, Uttar Pradesh, India)
4
Natural Environment Research Council: NERC Open Research Archive
4
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
3
Delft University of Technology: Institutional Repository
3
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
3
National Institute of Polar Research Repository, Japan
3
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
3
University of Minnesota Digital Conservancy
3
University of Tasmania: UTas ePrints
3
Université Grenoble Alpes: HAL
3
White Rose Research Online (Universities of Leeds, Sheffield & York)
3
Apollo - University of Cambridge Repository
2
Australian National University: ANU Digital Collections
2
DIAL@USL-B (Université Saint-Louis, Bruxelles)
2
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
2
Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto
2
IMHE OpenIR (Institute of Mountain Hazards and Environment, Chinese Academy of Sciences)
2
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System)
2
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