Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
191
Directory of Open Access Journals: DOAJ Articles
15
University of Tromsø: Munin Open Research Archive
10
PANGAEA - Data Publisher for Earth & Environmental Science
8
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
7
Copernicus Publications: E-Journals
7
PubMed Central (PMC)
5
Université de Nantes: HAL-UNIV-NANTES
5
Unknown
5
MDPI Open Access Publishing
4
Niedersächsisches Online-Archiv NOA
4
Institut national des sciences de l'Univers: HAL-INSU
3
University of Bergen: Bergen Open Research Archive (BORA-UiB)
3
Università degli Studi di Genova: CINECA IRIS
3
Anagrafe della Ricerca d'Ateneo (Universitá degli studi Roma Tre)
2
Arctic Data Center (via DataONE)
2
DataverseNO
2
Frontiers: Figshare
2
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
2
Seoul National University: S-Space
2
The University of Melbourne: Digitised Collections
2
University of St Andrews: Digital Research Repository
2
University of St Andrews: Research Portal
2
ARPI - Archivio della Ricerca dell'Università di Pisa
1
ASM Journals (American Society for Microbiology - via Crossref)
1
Aarhus University: Research
1
DIAL@USL-B (Université Saint-Louis, Bruxelles)
1
Defense Technical Information Center: DTIC Technical Reports database
1
Digital.CSIC (Spanish National Research Council)
1
DigitalCommons@CalPoly (California Polytechnic State University, San Luis Obispo)
1
Electronic Theses of LMU Munich (Ludwig-Maximilians-Universität)
1
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
1
Florida State University Digital Library (FSUDL)
1
Frontiers (Publisher)
1
GEO-LEOe-docs (FID GEO)
1
GFZ Data Services (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
1
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
1
Georg-August-Universität Göttingen: GOEDOC
1
HAL Sorbonne Université
1
Hereon Publications (Helmholtz-Zentrum)
1
Institute for Marine Research: Brage IMR
1
King Abdullah University of Science and Technology: KAUST Repository
1
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
1
NIOZ Repository (Royal Netherlands Institute for Sea Research)
1
NTNU Open Archive (Norwegian University of Science and Technology)
1
National Institute of Polar Research Repository, Japan
1
Natural Environment Research Council: NERC Open Research Archive
1
OSKAR Bordeaux (Open Science Knowledge ARchive)
1
Open Access LMU (Ludwig-Maximilians-University Munich)
1
Open archive Nord universitet
1
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