Content Provider
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University of California: eScholarship
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Universitat Politècnica de Catalunya, BarcelonaTech: UPCommons - Global access to UPC knowledge
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University of Calgary Journal Hosting
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Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
50
WikiBooks - Open-content textbooks
50
University of Southampton: e-Prints Soton
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University of Tasmania: UTas ePrints
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University of Liège: ORBi (Open Repository and Bibliography)
43
Theses Canada/Thèses Canada (Library and Archives Canada)
40
University of Lincoln: Lincoln Repository
40
Utrecht University Repository
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Lund University Publications (LUP)
38
University of East Anglia: UEA Digital Repository
36
Université de Bourgogne (UB): HAL
36
Normandie Université: HAL
35
DIAL@USL-B (Université Saint-Louis, Bruxelles)
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DSpace@MIT (Massachusetts Institute of Technology)
34
Forschungszentrum Jülich: JuSER (Juelich Shared Electronic Resources)
34
ScienceDirect (Elsevier - via Crossref)
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ARCIMÍS (Archivo Climatológico y Meteorológico Institucional - AEMET, Agencia Estatal de Meteorología)
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HELDA – University of Helsinki Open Repository
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IRD (Institute de recherche pour le développement): Horizon
33
LillOA (HAL Lille Open Archive, Université de Lille)
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Ministry of Earth Sciences, Government of India: Open Access Digital Repository
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Universidad de Las Palmas de Gran Canaria: Acceda
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GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
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ScholarsArchive@OSU (Oregon State University)
31
University College London: UCL Discovery
31
White Rose Research Online (Universities of Leeds, Sheffield & York)
31
DIAL@UCLouvain (Université catholique de Louvain)
30
The University of Manchester: Research Explorer
30
University of Tromsø: Munin Open Research Archive
30
Florida State University Digital Library (FSUDL)
29
Technical University of Denmark: DTU Orbit
29
National Institute of Polar Research Repository, Japan
26
ORA - Oxford University Research Archive
26
Université Paris 1 Panthéon-Sorbonne: HAL
26
Université de Montpellier: HAL
26
Florida State University: DigiNole Commons
25
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
25
University of Hull: Repository@Hull
25
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
24
BORIS (Bern Open Repository and Information System, University of Bern)
23
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
23
University of North Texas: UNT Digital Library
23
Archive Ouverte de l'Université Rennes (HAL)
22
Hathi Trust Digital Library
22
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
22
ScienceDirect (Elsevier)
22
University of Wisconsin: Digital Collections
22
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