Content Provider
Cambridge University Press
560
DataCite Metadata Store (German National Library of Science and Technology)
317
Directory of Open Access Journals: DOAJ Articles
191
Wiley Online Library
119
Unknown
117
Oxford University Press
71
Oxford University Press (via Crossref)
69
SAGE Publications
66
Springer Nature (via Crossref)
62
SAGE Publications (via Crossref)
39
Wiley Online Library (via Crossref)
38
ScienceDirect (Elsevier - via Crossref)
30
The Royal Society: Figshare
27
Informa (via Crossref)
17
JSTOR (via Crossref)
15
Lund University Publications (LUP)
15
University of California: eScholarship
12
ASM Journals (American Society for Microbiology)
9
DRO - Deakin Research Online
9
Utrecht University Repository
9
Arctic Data Center (via DataONE)
8
De Gruyter (via Crossref)
8
Informa
8
Swedish University of Agricultural Sciences (SLU): Epsilon Open Archive
8
University of California Press
8
Defense Technical Information Center: DTIC Technical Reports database
7
Frontiers: Figshare
7
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
7
Sciendo (de Gruyter - via CrossRef)
7
Umeå University: Publications (DiVA)
7
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
7
University of the Highlands and Islands: Research Database of UHI
7
Brill (via Crossref)
6
International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC): Aquatic Commons
6
PubMed Central (PMC)
6
Queen's University Belfast Research Portal
6
ARPI - Archivio della Ricerca dell'Università di Pisa
5
Cambridge University Press (via Crossref)
5
University of California Press (via Crossref)
5
Aberdeen University Research Archive (AURA)
4
University of Liège: ORBi (Open Repository and Bibliography)
4
University of Nottingham: Repository@Nottingham
4
Uppsala University: Publications (DiVA)
4
ASM Journals (American Society for Microbiology - via Crossref)
3
JSTOR
3
Linnaeus University Kalmar Växjö: Publications (DiVA)
3
University of Copenhagen: Research
3
Zenodo
3
ACS Publications
2
Anagrafe della Ricerca d'Ateneo (Universitá degli studi Roma Tre)
2
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