Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
67
University of Lethbridge Digitized Collections
48
Zenodo
24
North Dakota State University (NDSU): Digital Horizons
21
The University of Utah: J. Willard Marriott Digital Library
13
Jultika - University of Oulu repository
9
OLAC: Open Language Archives Community
8
Directory of Open Access Journals: DOAJ Articles
6
Dove Medical Press
6
Doria (National Library of Finland)
5
Federation of Finnish Learned Societies: Scientific Journals Online
5
Research Data Australia (Australian National Data Service - ANDS)
5
Theseus.fi (Open Repository of the Universities of Applied Sciences)
5
Unknown
5
Cambridge University Press
4
Natural Resources Institute Finland: Jukuri
4
Open archive Nord universitet
3
Queensland University of Technology: QUT ePrints
3
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
3
University of Chicago Press (via Crossref)
3
University of Tromsø: Munin Open Research Archive
3
Arctic Institute of North America (via Crossref)
2
FAUBA Digital (Facultad de Agronomía, Universidad de Buenos Aires - UBA)
2
Georgetown University: DigitalGeorgetown
2
Hungarian Electronic Library (MEK)
2
RePEc (Research Papers in Economics)
2
SAGE Publications (via Crossref)
2
ScholarSpace at University of Hawaii at Manoa
2
University of Alaska: ScholarWorks@UA
2
University of Calgary Journal Hosting
2
Aalto University Publication Archive (Aaltodoc)
1
Aberdeen University Research Archive (AURA)
1
CyberLeninka (Scientific Electronic Library)
1
De Gruyter (via Crossref)
1
Digital Collections of Colorado (Colorado State University)
1
Digital.CSIC (Spanish National Research Council)
1
Falmouth University Research Repository (FURR)
1
Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto
1
HighWire Press (Stanford University)
1
Hunter Library Digital Collections (Western Carolina University)
1
Istanbul Ticaret University Institutional Repository (DSpace@Ticaret)
1
JYX - Jyväskylä University Digital Archive
1
Johns Hopkins University Press
1
Kansas State University: K-State Research Exchange (K-REx)
1
Kristianstad University College: Publications (DiVA)
1
LAEI VL (Lithuanian Institute of Agrarian Economics Virtual Library)
1
LSRC VL (Lithuanian Social Research Centre Virtual Library)
1
LaCRIS - University of Lapland Current Research System
1
Mary Ann Liebert, Inc., publishers (via Crossref)
1
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
1
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