Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
980
Unknown
179
Copernicus Publications: E-Journals
159
PubMed Central (PMC)
49
MDPI Open Access Publishing
27
Defense Technical Information Center: DTIC Technical Reports database
24
HighWire Press (Stanford University)
16
Natural Environment Research Council: NERC Open Research Archive
11
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
9
eCite UTAS (University of Tasmania)
9
Florida State University Digital Library (FSUDL)
7
Hathi Trust Digital Library
7
EPFL Infoscience (Ecole Polytechnique Fédérale Lausanne)
6
Montclair State University Digital Commons
6
W&M ScholarWorks
6
Florida State University: DigiNole Commons
5
ArXiv.org (Cornell University Library)
4
BioOne Online Journals
4
University of Nebraska-Lincoln: DigitalCommons@UNL
4
Utah State University: DigitalCommons@USU
4
Digital Commons University of South Florida (USF)
3
The University of Utah: J. Willard Marriott Digital Library
3
CyberLeninka (Scientific Electronic Library)
2
Florida State University: Publication of Archival Library & Museum Materials
2
IRD (Institute de recherche pour le développement): Horizon
2
LSU Digital Commons (Louisiana State University)
2
Portland State University: PDXScholar
2
The University of Maine: DigitalCommons@UMaine
2
University of Rhode Island: DigitalCommons@URI
2
Dalhousie University: DalSpace Institutional Repository
1
DataCat: The Research Data Catalogue (University of Liverpool)
1
Digital Collections of Colorado (Colorado State University)
1
Digital Commons at Oberlin (Oberlin College)
1
Electronic Theses of LMU Munich (Ludwig-Maximilians-Universität)
1
Harvard University: Harvard Collections
1
Lancaster University: Lancaster Eprints
1
Missouri State University: BearWorks
1
Mountain Scholar (Digital Collections of Colorado and Wyoming)
1
National Library of Australia: Digital Collections
1
Old Dominion University: ODU Digital Commons
1
Purdue University: e-Pubs
1
Research Data Unipd (Università degli Studi die Padova)
1
Smith College: Smith ScholarWorks
1
Southern Illinois University Carbondale: OpenSUIC
1
The University of South Pacific: USP Electronic Research Repository
1
University of Basel: edoc
1
University of Colorado, Boulder: CU Scholar
1
University of Lincoln: Lincoln Repository
1
University of Miami: Digital Collections
1
University of Otago: OUR Heritage (Otage University Research)
1
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