Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
14
Directory of Open Access Journals: DOAJ Articles
12
Unknown
12
University of Groningen research database
6
Copernicus Publications: E-Journals
5
KU Leuven: Lirias
5
Natural Environment Research Council: NERC Open Research Archive
5
PubMed Central (PMC)
5
Cambridge University Press
4
DIAL@USL-B (Université Saint-Louis, Bruxelles)
4
eCite UTAS (University of Tasmania)
4
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
3
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
3
Magnolia press
3
Niedersächsisches Online-Archiv NOA
3
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
3
University of Tasmania: UTas ePrints
3
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
2
Caltech Authors (California Institute of Technology)
2
Digital.CSIC (Spanish National Research Council)
2
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
2
Institut national des sciences de l'Univers: HAL-INSU
2
National Institute of Polar Research Repository, Japan
2
Pensoft Publishers
2
Seoul National University: S-Space
2
The Royal Society (via Crossref)
2
University of California: eScholarship
2
Università degli Studi di Genova: CINECA IRIS
2
Université de Nantes: HAL-UNIV-NANTES
2
Arctic Portal Library
1
Augsburg University Publication Server (OPUS)
1
DataCat: The Research Data Catalogue (University of Liverpool)
1
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
1
Florida State University Digital Library (FSUDL)
1
Florida State University: DigiNole Commons
1
GEO-LEOe-docs (FID GEO)
1
Georg-August-Universität Göttingen: GOEDOC
1
HELDA – University of Helsinki Open Repository
1
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
1
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
1
MDPI Open Access Publishing
1
Max Planck Society: MPG.PuRe
1
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
1
OPUS FAU - Online publication system of Friedrich-Alexander-Universität Erlangen-Nürnberg
1
OSKAR Bordeaux (Open Science Knowledge ARchive)
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
Padua Research Archive (IRIS - Università degli Studi di Padova)
1
Sapienza Università di Roma: CINECA IRIS
1
The Czech Academy of Sciences: Publication Activity (ASEP)
1
The University of Queensland: UQ eSpace
1
more ...