Content Provider
Cambridge University Press
35
DataCite Metadata Store (German National Library of Science and Technology)
30
Directory of Open Access Journals: DOAJ Articles
24
eCite UTAS (University of Tasmania)
18
Wiley Online Library
16
Springer Nature (via Crossref)
13
Informa (via Crossref)
8
Oxford University Press (via Crossref)
8
Oxford University Press
4
ScienceDirect (Elsevier - via Crossref)
4
The University of Queensland: UQ eSpace
4
University of California: eScholarship
4
ASM Journals (American Society for Microbiology)
3
Montana State University (MSU): ScholarWorks
3
SAGE Publications (via Crossref)
3
De Gruyter (via Crossref)
2
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
2
University of California Press (via Crossref)
2
Wiley Online Library (via Crossref)
2
Boston University: OpenBU
1
Columbia University: Academic Commons
1
DIAL@USL-B (Université Saint-Louis, Bruxelles)
1
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
1
Frontiers (Publisher)
1
Informa
1
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
1
JSTOR
1
JSTOR (via Crossref)
1
Kristianstad University College: Publications (DiVA)
1
Padua Research Archive (IRIS - Università degli Studi di Padova)
1
SAGE Publications
1
Sciendo (de Gruyter - via CrossRef)
1
University of California Press
1
University of Pretoria: UPSpace
1
University of the Highlands and Islands: Research Database of UHI
1
Università del Salento: CINECA IRIS
1
Unknown
1
Utrecht University Repository
1