Content Provider
Skemman (Iceland)
123
DataCite Metadata Store (German National Library of Science and Technology)
85
Ohio University Library Digital Archives
53
National Institute of Polar Research Repository, Japan
46
Directory of Open Access Journals: DOAJ Articles
39
Unknown
37
Dryad Digital Repository (Duke University)
13
Springer Nature (via Crossref)
12
Hirsla - Landspítali University Hospital research archive
11
Opin vísindi (Iceland)
9
University of Iceland: Peer Reviewed Journals
8
The University of Waikato: Research Commons
7
Informa (via Crossref)
6
Wiley Online Library
6
Cambridge University Press
5
University of California: eScholarship
5
Wiley Online Library (via Crossref)
5
Frontiers: Figshare
4
PubMed Central (PMC)
4
ScienceDirect (Elsevier - via Crossref)
4
University of Canterbury, Christchurch: UC Research Repository
4
DSpace@MIT (Massachusetts Institute of Technology)
3
MDPI Open Access Publishing
3
ORA - Oxford University Research Archive
3
Oxford University Press
3
Repositório Institucional da Universidade Federal de Sergipe (RIUFS)
3
ScienceDirect (Elsevier)
3
ASM Journals (American Society for Microbiology)
2
Charles University CU Digital repository
2
Copernicus Publications: E-Journals
2
Frontiers (Publisher)
2
HighWire Press (Stanford University)
2
Northern Illinois University (NIU): Huskie Commons Repository
2
Ohio State University (OSU): Knowledge Bank
2
University of Memphis Digital Commons
2
ASM Journals (American Society for Microbiology - via Crossref)
1
AU Digital Research Archive (American University)
1
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
1
Canadian Science Publishing
1
Cardiff University: ORCA (Online Research @ Cardiff)
1
Colecciones digitales - Biblioteca Virtual del Banco de la República
1
DORA Eawag
1
Dialnet - Portada de revistas (Universidad de La Rioja)
1
German Aerospace Center: elib - DLR electronic library
1
IEDA: US Antarctic Program Data Center (via DataONE)
1
Ice and Snow (E-Journal)
1
JSTOR (via Crossref)
1
James Cook University, Australia: ResearchOnline@JCU
1
Kyoto University Research Information Repository (KURENAI)
1
LIU - Linköping University: Publications (DiVA)
1
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