Content Provider
Directory of Open Access Journals: DOAJ Articles
7,928
ScienceDirect (Elsevier - via Crossref)
5,068
Cambridge University Press
3,423
Wiley Online Library (via Crossref)
1,260
Informa (via Crossref)
1,127
ScienceDirect (Elsevier)
1,038
Wiley Online Library
866
Lund University Publications (LUP)
495
DataCite Metadata Store (German National Library of Science and Technology)
346
Springer Nature (via Crossref)
339
Informa
290
eCite UTAS (University of Tasmania)
258
University of Chicago Press (via Crossref)
226
University of California: eScholarship
207
University of California Press (via Crossref)
132
University of California Press
106
Columbia University: Academic Commons
88
University of Leicester: Leicester Research Archive (LRA)
87
University of Chicago Press
79
Institute of Earth Environment: IEECAS OpenIR (Chinese Academy of Sciences)
77
Imperial College London: Spiral
68
Uppsala University: Publications (DiVA)
68
University College London: UCL Discovery
45
Schweizerbart Science Publishers (via Crossref)
41
Queen's University Belfast Research Portal
39
University of Calgary Journal Hosting
39
De Gruyter (via Crossref)
31
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
31
IOP Publishing
30
Swedish Museum of Natural History: Publications (DiVA)
30
IMHE OpenIR (Institute of Mountain Hazards and Environment, Chinese Academy of Sciences)
28
University of Copenhagen: Research
28
The University of Queensland: UQ eSpace
24
LeibnizOpen (The Leibniz Association)
23
Utrecht University Repository
23
Old Dominion University: ODU Digital Commons
19
Queensland University of Technology: QUT ePrints
18
ARPI - Archivio della Ricerca dell'Università di Pisa
16
Geological Society of London: Figshare
16
IOP Publishing (via Crossref)
15
Sciendo (de Gruyter - via CrossRef)
15
Curtin University: espace
14
Luleå University of Technology Publications (DiVA)
14
Stockholm University: Publications (DiVA)
14
Digital Commons University of South Florida (USF)
13
University of South Florida St. Petersburg: Digital USFSP
13
Ghent University Academic Bibliography
11
Institute of Botany: IBCAS OpenIR (Chinese Academy Of Sciences)
11
Aberdeen University Research Archive (AURA)
10
Universidad de Salamanca: Gredos (Gestión del Repositorio Documental de la Universidad de Salamanca)
10
more ...