Content Provider
Directory of Open Access Journals: DOAJ Articles
138
eCite UTAS (University of Tasmania)
46
Institute of Earth Environment: IEECAS OpenIR (Chinese Academy of Sciences)
26
Cambridge University Press
23
Nanjing Institute of Geology and Palaeontology: NIGPAS OpenIR (Chinese Academy of Sciences)
18
ScienceDirect (Elsevier - via Crossref)
17
David Rumsey Historical Map Collection (Cartography Associates)
15
Defense Technical Information Center: DTIC Technical Reports database
13
Guangzhou Institute of Geochemistry: GIG OpenIR (Chinese Academy of Sciences)
12
DataCite Metadata Store (German National Library of Science and Technology)
10
Springer Nature (via Crossref)
10
Imperial College London: Spiral
4
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
4
ScienceDirect (Elsevier)
4
Geological Society of London: Figshare
3
Hathi Trust Digital Library
3
IMHE OpenIR (Institute of Mountain Hazards and Environment, Chinese Academy of Sciences)
3
Lund University Publications (LUP)
3
University of Colorado Boulder, Law School: Scholarly Commons
3
DIAL@USL-B (Université Saint-Louis, Bruxelles)
2
Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences: GIEC OpenIR
2
Institute of Botany: IBCAS OpenIR (Chinese Academy Of Sciences)
2
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
2
OhioLINK: Electronic Theses and Dissertations Center
2
Old Dominion University: ODU Digital Commons
2
Rice University: Digital Scholarship Archive
2
San José State University: SJSU ScholarWorks
2
University of St Andrews: Digital Research Repository
2
Brock University Digital Repository
1
Central Washington University: ScholarWorks
1
DIAL@UCLouvain (Université catholique de Louvain)
1
DRO - Deakin Research Online
1
DataCite
1
DataSpace at Princeton University
1
Digital Commons University of South Florida (USF)
1
Griffith University: Griffith Research Online
1
Harvard University: DASH - Digital Access to Scholarship at Harvard
1
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
1
Missouri University of Science and Technology (Missouri S&T): Scholars' Mine
1
National Archive of PhD Theses (National Documentation Centre Greece)
1
PRISM - University of Calgary Digital Repository
1
Research from Macquarie University
1
The University of Melbourne: Digital Repository
1
University of Calgary Journal Hosting
1
University of California: eScholarship
1
University of Chicago Press (via Crossref)
1
University of Leicester: Figshare
1
University of Leicester: Leicester Research Archive (LRA)
1
University of Massachusetts: ScholarWorks@UMass Amherst
1
University of Missouri: MOspace
1
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