Content Provider
Directory of Open Access Journals: DOAJ Articles
23
DataCite Metadata Store (German National Library of Science and Technology)
22
LeibnizOpen (The Leibniz Association)
20
Copernicus Publications: E-Journals
13
Natural Environment Research Council: NERC Open Research Archive
13
Unknown
12
Niedersächsisches Online-Archiv NOA
9
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
7
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
7
German Aerospace Center: elib - DLR electronic library
6
National Institute of Polar Research Repository, Japan
5
Institut national des sciences de l'Univers: HAL-INSU
4
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
4
MDPI Open Access Publishing
3
PubMed Central (PMC)
3
Texas Tech University: TTU DSpace Repository
3
Université de Nantes: HAL-UNIV-NANTES
3
Utrecht University Repository
3
Cambridge University Press
2
Freie Universität Berlin: Refubium (FU Berlin)
2
GEO-LEOe-docs (FID GEO)
2
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
2
Georg-August-Universität Göttingen: GOEDOC
2
Ghent University Academic Bibliography
2
Journal of large-scale research facilities (JLSRF)
2
University of Copenhagen: Research
2
Université Grenoble Alpes: HAL
2
Clark University: Clark Digital Commons
1
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
1
DataCite
1
Delft University of Technology: Institutional Repository
1
DergiPark Akademik (E-Journals)
1
Digital.CSIC (Spanish National Research Council)
1
Dryad Digital Repository (Duke University)
1
ENEA-IRIS Open Archive (Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile)
1
Frontiers: Figshare
1
HAL-IN2P3 (Institut national de physique nucléaire et de physique des particules)
1
HighWire Press (Stanford University)
1
Institutional Repository of Leibniz Universität Hannover
1
Kocaeli University Research Information System
1
National University of Ireland (NUI), Galway: ARAN
1
ORA - Oxford University Research Archive
1
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1
Open Access LMU (Ludwig-Maximilians-University Munich)
1
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
1
PANGAEA - Data Publisher for Earth & Environmental Science
1
Polar Research (E-Journal)
1
REPOSIT HAW Hamburg
1
Research Data Australia (Australian National Data Service - ANDS)
1
Sapienza Università di Roma: CINECA IRIS
1
more ...