Content Provider
LeibnizOpen (The Leibniz Association)
162
Directory of Open Access Journals: DOAJ Articles
62
DataCite Metadata Store (German National Library of Science and Technology)
31
University of California: eScholarship
27
Unknown
27
University of Liège: ORBi (Open Repository and Bibliography)
23
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
21
Aarhus University: Research
20
Utrecht University Repository
18
University of Bristol: Bristol Research
16
Technical University of Denmark: DTU Orbit
15
Apollo - University of Cambridge Repository
11
University of Copenhagen: Research
9
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
9
Delft University of Technology: Institutional Repository
8
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
8
University of St Andrews: Research Portal
7
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
6
Australian National University: ANU Digital Collections
6
GEUS Bulletin (Geological Survey of Denmark and Greenland)
6
Institut national des sciences de l'Univers: HAL-INSU
6
University of Luxembourg: ORBilu - Open Repository and Bibliography
6
University of St Andrews: Digital Research Repository
6
Université de Nantes: HAL-UNIV-NANTES
6
Zenodo
6
Lund University Publications (LUP)
5
University of Tromsø: Munin Open Research Archive
5
ETH Zürich Research Collection
4
The University of Manchester: Research Explorer
4
University College London: UCL Discovery
4
University of Michigan: Deep Blue
4
University of North Texas: UNT Digital Library
4
Aberdeen University Research Archive (AURA)
3
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
3
LaCRIS - University of Lapland Current Research System
3
Université Grenoble Alpes: HAL
3
Durham University: Durham Research Online
2
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
2
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
2
GEO-LEOe-docs (FID GEO)
2
Ice and Snow (E-Journal)
2
Imperial College London: Spiral
2
King's College, London: Research Portal
2
LAEI VL (Lithuanian Institute of Agrarian Economics Virtual Library)
2
LSRC VL (Lithuanian Social Research Centre Virtual Library)
2
NTNU Open Archive (Norwegian University of Science and Technology)
2
National Institute of Polar Research Repository, Japan
2
The University of Kansas: KU ScholarWorks
2
University of Calgary Journal Hosting
2
Università Ca’ Foscari Venezia: ARCA (Archivio Istituzionale della Ricerca)
2
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