Content Provider
Directory of Open Access Journals: DOAJ Articles
299
Wiley Online Library
190
Cambridge University Press
59
DataCite Metadata Store (German National Library of Science and Technology)
49
Wiley Online Library (via Crossref)
48
Springer Nature (via Crossref)
43
University of California: eScholarship
43
ScienceDirect (Elsevier - via Crossref)
41
Oxford University Press
35
SAGE Publications
23
ASM Journals (American Society for Microbiology)
21
SAGE Publications (via Crossref)
20
Umeå University: Publications (DiVA)
18
Canadian Science Publishing (via Crossref)
16
Canadian Science Publishing
15
Lund University Publications (LUP)
11
Frontiers (Publisher)
9
IMHE OpenIR (Institute of Mountain Hazards and Environment, Chinese Academy of Sciences)
7
Queen's University Belfast Research Portal
7
ASM Journals (American Society for Microbiology - via Crossref)
6
De Gruyter (via Crossref)
6
Informa (via Crossref)
6
Institute of Botany: IBCAS OpenIR (Chinese Academy Of Sciences)
6
Oxford University Press (via Crossref)
6
Uppsala University: Publications (DiVA)
6
ScienceDirect (Elsevier)
5
Swedish University of Agricultural Sciences (SLU): Epsilon Open Archive
5
Informa
3
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
3
Utrecht University Repository
3
Caltech Authors (California Institute of Technology)
2
Carleton University's Institutional Repository
2
IRInSubria - Institutional Repository Insubria (Università degli Studi dell’Insubria)
2
Institutional Repository of Leibniz Universität Hannover
2
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
2
Sciendo (de Gruyter - via CrossRef)
2
Università degli Studi di Foggia: CINECA IRIS Institutional Research Information System
2
Università degli Studi di Verona: Catalogo dei Prodotti della Ricerca (IRIS)
2
Aberdeen University Research Archive (AURA)
1
Bangor University: Research Portal
1
Corvinus University of Budapest: Research Archive
1
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
1
DIAL@UCLouvain (Université catholique de Louvain)
1
DIAL@USL-B (Université Saint-Louis, Bruxelles)
1
Dalarna University: Publications (DiVA)
1
De Gruyter
1
Imperial College London: Spiral
1
Institute of Earth Environment: IEECAS OpenIR (Chinese Academy of Sciences)
1
Jultika - University of Oulu repository
1
Linnaeus University Kalmar Växjö: Publications (DiVA)
1
more ...