Content Provider
Springer Nature (via Crossref)
531
DataCite Metadata Store (German National Library of Science and Technology)
359
University of California: eScholarship
281
ScienceDirect (Elsevier - via Crossref)
269
Wiley Online Library (via Crossref)
211
ScienceDirect (Elsevier)
199
Stockholm University Press (via Crossref)
165
Wiley Online Library
150
University of New Hampshire: Scholars Repository
117
Frontiers: Figshare
102
Unknown
73
University of California Press (via Crossref)
63
Informa (via Crossref)
60
Chalmers University of Technology: Chalmers research
56
Natural Environment Research Council: NERC Open Research Archive
47
Stockholm University: Publications (DiVA)
41
Stockholm University Press
39
University of California Press
36
University of Washington, Seattle: ResearchWorks
30
Lund University Publications (LUP)
27
Uppsala University: Publications (DiVA)
27
NOAA NCEI Environmental Data Archive (via DataONE)
25
SMHI (Swedish Meteorological and Hydrological Institute): Vetenskapliga Publikationer (DiVA)
23
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
22
Theses Canada/Thèses Canada (Library and Archives Canada)
22
Institute of Earth Environment: IEECAS OpenIR (Chinese Academy of Sciences)
20
University of Alaska: ScholarWorks@UA
20
University of Colorado, Boulder: CU Scholar
19
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
18
Old Dominion University: ODU Digital Commons
17
DIAL@USL-B (Université Saint-Louis, Bruxelles)
15
Digital Repository @ Iowa State University
15
KovsieScholar Repository (University of the Free State - UFS UV)
15
University of Nebraska-Lincoln: DigitalCommons@UNL
14
Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto
13
Nova Southeastern University: NSU Works
13
Swedish National Data Service (SND)
13
The University of Southern Mississippi: The Aquila Digital Community
13
DIAL@UCLouvain (Université catholique de Louvain)
12
Imperial College London: Spiral
12
University at Albany, State University of New York (SUNY): Scholars Archive
12
eCite UTAS (University of Tasmania)
12
PQDT Open: Open Access Dissertations and Theses (ProQuest)
11
Apollo - University of Cambridge Repository
10
Florida State University Digital Library (FSUDL)
10
Florida State University: DigiNole Commons
10
University College London: UCL Discovery
10
Schweizerbart Science Publishers (via Crossref)
9
Utrecht University Repository
9
Zenodo
9
more ...