Content Provider
Cambridge University Press
543
DataCite Metadata Store (German National Library of Science and Technology)
430
eCite UTAS (University of Tasmania)
180
Wiley Online Library
174
ScienceDirect (Elsevier - via Crossref)
151
Unknown
141
Directory of Open Access Journals: DOAJ Articles
140
Springer Nature (via Crossref)
131
Wiley Online Library (via Crossref)
81
University of California: eScholarship
55
ASM Journals (American Society for Microbiology)
54
Oxford University Press
52
De Gruyter (via Crossref)
48
Oxford University Press (via Crossref)
38
Informa (via Crossref)
37
Frontiers: Figshare
33
ASM Journals (American Society for Microbiology - via Crossref)
31
SAGE Publications (via Crossref)
27
LeibnizOpen (The Leibniz Association)
24
DRO - Deakin Research Online
23
The University of Queensland: UQ eSpace
20
Sciendo (de Gruyter - via CrossRef)
18
The Royal Society: Figshare
17
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
16
Lund University Publications (LUP)
15
University of California Press
14
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
11
PubMed Central (PMC)
11
SAGE Publications
11
Research Data Australia (Australian National Data Service - ANDS)
10
Frontiers (Publisher)
9
JSTOR (via Crossref)
9
KovsieScholar Repository (University of the Free State - UFS UV)
7
University of California Press (via Crossref)
7
University of Liège: ORBi (Open Repository and Bibliography)
7
Università degli Studi di Genova: CINECA IRIS
6
Utrecht University Repository
6
Cambridge University Press (via Crossref)
5
Canadian Science Publishing (via Crossref)
5
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
5
Naturalis Institutional Repository
5
The University of Waikato: Research Commons
5
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
4
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System)
4
IRIS Università degli Studi di Napoli Federico II
4
Informa
4
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
4
Queen's University Belfast Research Portal
4
University of the Highlands and Islands: Research Database of UHI
4
Università degli Studi di Milano-Bicocca: BOA (Bicocca Open Archive)
4
more ...