Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
46,450
DataCite
626
Directory of Open Access Journals: DOAJ Articles
43
Zenodo
37
Unknown
24
University of Liège: ORBi (Open Repository and Bibliography)
15
Magnolia press
13
Frontiers: Figshare
12
MDPI Open Access Publishing
10
University of Tasmania: UTas ePrints
9
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
8
Masaryk University Journals
8
Research Data Australia (Australian National Data Service - ANDS)
8
University of North Texas: UNT Digital Library
8
Scientia Marina (E-Journal)
6
Pensoft Publishers
5
The University of Waikato: Research Commons
5
Stellenbosch University: SUNScholar Research Repository
4
Università degli Studi di Genova: CINECA IRIS
4
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
3
Ghent University Academic Bibliography
3
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
3
Padua Research Archive (IRIS - Università degli Studi di Padova)
3
Polish Botanical Society Journals
3
The Czech Academy of Sciences: Publication Activity (ASEP)
3
The University of Adelaide: Digital Library
3
Université de Nantes: HAL-UNIV-NANTES
3
ADDI: Repositorio Institucional de la Universidad del País Vasco (UPV)
2
Apollo - University of Cambridge Repository
2
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
2
Dialnet - Portada de revistas (Universidad de La Rioja)
2
Digital.CSIC (Spanish National Research Council)
2
Environmental Data Initiative (via DataONE)
2
Lund University Publications (LUP)
2
Madagascar Conservation & Development (E-Journal)
2
Polar Research
2
Portal de Periódicos da UFRJ (Universidade Federal do Rio de Janeiro)
2
Sapienza Università di Roma: CINECA IRIS
2
The Royal Society: Figshare
2
Tilburg University Research Portal
2
TÜBİTAK Academic Journals
2
UNEP Document Repository (UN Environment Programme)
2
Universitat de València: Open Journal Systems
2
University of California: eScholarship
2
University of Nebraska-Lincoln: DigitalCommons@UNL
2
University of Western Sydney (UWS): Research Direct
2
University of Wollongong, Australia: Research Online
2
University of the Highlands and Islands: Research Database of UHI
2
Vytautas Magnus University e-Publication Repository (VMU ePub)
2
Aix-Marseille Université: HAL
1
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