Content Provider
LeibnizOpen (The Leibniz Association)
74
Directory of Open Access Journals: DOAJ Articles
33
Natural Environment Research Council: NERC Open Research Archive
20
Unknown
20
Niedersächsisches Online-Archiv NOA
18
University of California: eScholarship
10
Cambridge University Press
8
DataCite Metadata Store (German National Library of Science and Technology)
8
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
7
Northumbria University, Newcastle: Northumbria Research Link (NRL)
7
Digital Commons University of South Florida (USF)
6
Imperial College London: Spiral
6
University of South Florida St. Petersburg: Digital USFSP
6
University College London: UCL Discovery
5
Utrecht University Repository
5
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
4
Durham University: Durham Research Online
4
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
4
Columbia University: Academic Commons
3
University of Southampton: e-Prints Soton
3
Université de Nantes: HAL-UNIV-NANTES
3
eCite UTAS (University of Tasmania)
3
Apollo - University of Cambridge Repository
2
Caltech Authors (California Institute of Technology)
2
Delft University of Technology: Institutional Repository
2
HAL Sorbonne Université
2
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
2
Institut national des sciences de l'Univers: HAL-INSU
2
Publication Database PIK (Potsdam Institute for Climate Impact Research)
2
The Royal Society (via Crossref)
2
University of Bristol: Bristol Research
2
University of Tasmania: UTas ePrints
2
White Rose Research Online (Universities of Leeds, Sheffield & York)
2
Australian National University: ANU Digital Collections
1
Cologne University: KUPS
1
Curtin University: espace
1
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
1
DIAL@UCLouvain (Université catholique de Louvain)
1
DIAL@USL-B (Université Saint-Louis, Bruxelles)
1
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
1
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
1
Freie Universität Berlin: Refubium (FU Berlin)
1
Frontiers (Publisher)
1
German Aerospace Center: elib - DLR electronic library
1
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
1
IEEE Publications (via Crossref)
1
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System)
1
LaCRIS - University of Lapland Current Research System
1
Lancaster University: Lancaster Eprints
1
Max Planck Society: MPG.PuRe
1
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