Content Provider
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University College London: UCL Discovery
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University of Pretoria: UPSpace
10
University of the Highlands and Islands: Research Database of UHI
10
Wesleyan University: WesScholar
10
Apollo - University of Cambridge Repository
9
Australian National University: ANU Digital Collections
9
Masaryk University Journals
9
Max Planck Society: MPG.PuRe
9
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
9
Arctic Portal Library
8
Caltech Authors (California Institute of Technology)
8
HighWire Press (Stanford University)
8
Northumbria University, Newcastle: Northumbria Research Link (NRL)
8
Springer Nature
8
University of South Florida St. Petersburg: Digital USFSP
8
Columbia University: Academic Commons
7
HAL Sorbonne Université
7
JPL Technical Report Server
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NASA Technical Reports Server (NTRS)
7
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
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Scientia Marina (E-Journal)
7
Universidad Nacional de La Plata (UNLP): SeDiCI (Servicio de Difusión de la Creación Intelectual)
7
Wageningen UR (University & Research Centre): Digital Library
7
AAAS Resource Center (American Association for the Advancement of Science)
6
Aarhus University: Research
6
Defense Technical Information Center: DTIC Technical Reports database
6
Dryad Digital Repository (Duke University)
6
Ohio State University (OSU): Knowledge Bank
6
Rice University: Digital Scholarship Archive
6
University of Tromsø: Munin Open Research Archive
6
White Rose Research Online (Universities of Leeds, Sheffield & York)
6
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
5
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
5
IEEE Publications (via Crossref)
5
Informa (via Crossref)
5
Macquarie University Research Portal
5
Montclair State University Digital Commons
5
Naturalis Digital Academic Repository (National Museum of Natural History in the Netherlands)
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Naturalis Institutional Repository
5
The Royal Society
5
Universidade Federal do Rio Grande do Sul (UFRGS): Lume
5
Universitat Autònoma de Barcelona: Dipòsit Digital de Documents de la UAB
5
University of Basel: edoc
5
University of Bristol: Bristol Research
5
Università degli Studi di Genova: CINECA IRIS
5
AU Digital Research Archive (American University)
4
ArXiv.org (Cornell University Library)
4
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
4
Archives ouvertes de Paris-Saclay
4
DIAL@USL-B (Université Saint-Louis, Bruxelles)
4
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