Content Provider
Cambridge University Press
25,185
Cambridge University Press (via Crossref)
1,989
Directory of Open Access Journals: DOAJ Articles
1,314
Natural Environment Research Council: NERC Open Research Archive
722
PubMed Central (PMC)
160
eCite UTAS (University of Tasmania)
100
LeibnizOpen (The Leibniz Association)
83
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
81
Digital.CSIC (Spanish National Research Council)
60
DataCite Metadata Store (German National Library of Science and Technology)
58
University of Tromsø: Munin Open Research Archive
58
White Rose Research Online (Universities of Leeds, Sheffield & York)
53
Apollo - University of Cambridge Repository
46
Biodiversity Heritage Library (BHL)
44
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
44
Australian National University: ANU Digital Collections
41
The University of Queensland: UQ eSpace
41
University of Tasmania: UTas ePrints
33
Durham University: Durham Research Online
31
Lund University Publications (LUP)
31
University of Glasgow: Enlighten - Publications
28
Unknown
27
ETH Zürich Research Collection
26
The University of Waikato: Research Commons
26
Northumbria University, Newcastle: Northumbria Research Link (NRL)
25
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
24
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
23
University of Liège: ORBi (Open Repository and Bibliography)
23
University of Pretoria: UPSpace
23
Norwegian Geotechnical Institute (NGI) Digital Archive
21
James Cook University, Australia: ResearchOnline@JCU
20
ORA - Oxford University Research Archive
20
Università degli Studi di Genova: CINECA IRIS
20
Caltech Authors (California Institute of Technology)
19
Opin vísindi (Iceland)
19
University of Bergen: Bergen Open Research Archive (BORA-UiB)
19
University of Stirling: Stirling Digital Research Repository
18
HELDA – University of Helsinki Open Repository
16
University of Michigan: Deep Blue
16
Cardiff University: ORCA (Online Research @ Cardiff)
15
The University of Adelaide: Digital Library
15
Imperial College London: Spiral
14
OLAC: Open Language Archives Community
14
Zenodo
14
Newcastle University Library ePrints Service
13
University College London: UCL Discovery
13
University of Copenhagen: Research
13
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
12
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
12
Hirsla - Landspítali University Hospital research archive
11
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