Content Provider
Copernicus Publications: E-Journals
68
Unknown
50
PubMed Central (PMC)
23
DataCite Metadata Store (German National Library of Science and Technology)
14
MDPI Open Access Publishing
7
Defense Technical Information Center: DTIC Technical Reports database
6
W&M ScholarWorks
6
University of Windsor, Ontario: Scholarship at UWindsor
4
eCite UTAS (University of Tasmania)
4
ArXiv.org (Cornell University Library)
3
University of Nebraska-Lincoln: DigitalCommons@UNL
3
DataCite
2
EPFL Infoscience (Ecole Polytechnique Fédérale Lausanne)
2
Brigham Young University (BYU): ScholarsArchive
1
Florida State University Digital Library (FSUDL)
1
Florida State University: DigiNole Commons
1
LSU Digital Commons (Louisiana State University)
1
Montclair State University Digital Commons
1
Natural Environment Research Council: NERC Open Research Archive
1
Purdue University: e-Pubs
1
Smith College: Smith ScholarWorks
1
Southern Illinois University Carbondale: OpenSUIC
1
The Open Repository@Binghamton (ORB - Binghamton University)
1
The Royal Society: Figshare
1
The University of Maine: DigitalCommons@UMaine
1
University of New Hampshire: Scholars Repository
1
University of Rhode Island: DigitalCommons@URI
1
University of Wollongong, Australia: Research Online
1