Content Provider
Directory of Open Access Journals: DOAJ Articles
343
ScienceDirect (Elsevier - via Crossref)
60
Lund University Publications (LUP)
33
Informa (via Crossref)
20
ScienceDirect (Elsevier)
18
The College of Wooster: Open Works
15
DataCite Metadata Store (German National Library of Science and Technology)
11
OhioLINK: Electronic Theses and Dissertations Center
8
Columbia University: Academic Commons
6
DataCite
6
Defense Technical Information Center: DTIC Technical Reports database
6
Digital Repository @ Iowa State University
6
Informa
6
University of Calgary Journal Hosting
6
University of Chicago Press (via Crossref)
6
Cambridge University Press
5
University of California: eScholarship
5
Uppsala University: Publications (DiVA)
4
Hathi Trust Digital Library
3
Imperial College London: Spiral
3
Institute of Earth Environment: IEECAS OpenIR (Chinese Academy of Sciences)
3
Springer Nature (via Crossref)
3
University of North Texas: UNT Digital Library
3
Wiley Online Library (via Crossref)
3
eCite UTAS (University of Tasmania)
3
Biodiversity Heritage Library (BHL)
2
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
2
Opin vísindi (Iceland)
2
Stockholm University: Publications (DiVA)
2
University College London: UCL Discovery
2
University of Chicago Press
2
University of Maryland: Digital Repository (DRUM)
2
University of Michigan: Digital Collections
2
University of Washington, Seattle: ResearchWorks
2
Zenodo
2
Aarhus University: Research
1
Digital Collections of Colorado (Colorado State University)
1
Digital.CSIC (Spanish National Research Council)
1
Edinburgh Research Archive (ERA - University of Edinburgh)
1
Florida State University Digital Library (FSUDL)
1
Florida State University: DigiNole Commons
1
IMHE OpenIR (Institute of Mountain Hazards and Environment, Chinese Academy of Sciences)
1
LAEI VL (Lithuanian Institute of Agrarian Economics Virtual Library)
1
LSRC VL (Lithuanian Social Research Centre Virtual Library)
1
Linnaeus University Kalmar Växjö: Publications (DiVA)
1
Lund University Publications Student Papers (LUP-SP)
1
Mountain Scholar (Digital Collections of Colorado and Wyoming)
1
Northern Illinois University (NIU): Huskie Commons Repository
1
PRISM - University of Calgary Digital Repository
1
Padua Research Archive (IRIS - Università degli Studi di Padova)
1
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