Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
53
PANGAEA - Data Publisher for Earth & Environmental Science
52
University of Nebraska-Lincoln: DigitalCommons@UNL
40
Cambridge University Press
34
Unknown
27
Directory of Open Access Journals: DOAJ Articles
22
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
21
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
13
Defense Technical Information Center: DTIC Technical Reports database
11
ScienceDirect (Elsevier - via Crossref)
11
Springer Nature (via Crossref)
11
Copernicus Publications: E-Journals
9
Wiley Online Library
9
University of Canterbury, Christchurch: UC Research Repository
8
Niedersächsisches Online-Archiv NOA
7
PubMed Central (PMC)
7
University of Otago: Research Archive (OUR Archive)
7
Biological and Chemical Oceanography Data Management Office (BCO-DMO) (via DataONE)
6
Frontiers: Figshare
6
Natural Environment Research Council: NERC Open Research Archive
6
Informa (via Crossref)
5
Open Access Victoria University of Wellington / Te Herenga Waka
5
Università degli Studi di Siena: USiena air
5
Victoria University of Wellington: ResearchArchive
5
ARPI - Archivio della Ricerca dell'Università di Pisa
4
Apollo - University of Cambridge Repository
4
IEDA: US Antarctic Program Data Center (via DataONE)
4
Aarhus University: Research
3
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
3
DSpace@MIT (Massachusetts Institute of Technology)
3
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
3
KOPS - The Institutional Repository of the University of Konstanz
3
Northern Illinois University (NIU): Huskie Commons Repository
3
ORA - Oxford University Research Archive
3
The University of Maine: DigitalCommons@UMaine
3
The University of Waikato: Research Commons
3
University of Florida: Digital Library Center
3
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
3
eCite UTAS (University of Tasmania)
3
Archivio della ricerca dell'Università di Parma (CINECA IRIS)
2
Montana State University (MSU): ScholarWorks
2
Northumbria University, Newcastle: Northumbria Research Link (NRL)
2
Ohio State University (OSU): Knowledge Bank
2
University of Colorado, Boulder: CU Scholar
2
AAAS Resource Center (American Association for the Advancement of Science)
1
ASM Journals (American Society for Microbiology - via Crossref)
1
Anagrafe della Ricerca d'Ateneo (Universitá degli studi Roma Tre)
1
Australian Nuclear Science and Technology Organisation: ANSTO Publications Online
1
Cardiff University: ORCA (Online Research @ Cardiff)
1
Digital Repository @ Iowa State University
1
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