Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
49
LeibnizOpen (The Leibniz Association)
35
Unknown
24
da|ra - Registration agency for social and economic data
20
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
18
University of Copenhagen: Research
12
Zenodo
11
University of Vienna: u:theses
10
Aarhus University: Research
8
Digitale Landesbibliothek Berlin (Zentral- und Landesbibliothek Berlin)
8
Directory of Open Access Journals: DOAJ Articles
8
SSOAR - Social Science Open Access Repository
8
Oklahoma State University: Digital Collections @ OKSTATE Library
7
Technical University of Denmark: DTU Orbit
6
USGS Science Data Catalog (via DataONE)
5
Aarhus University: OJS at The State and University Library
4
GEUS Bulletin (Geological Survey of Denmark and Greenland)
4
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
4
OpenEdition
4
Tidsskrift.dk (The Royal Library, Denmark)
4
Copernicus Publications: E-Journals
3
EconStor (German National Library of Economics, ZBW)
3
Niedersächsisches Online-Archiv NOA
3
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
3
PANGAEA - Data Publisher for Earth & Environmental Science
3
Publication Server of Goethe University Frankfurt am Main
3
Springer Nature (via Crossref)
3
ZFDM Repository (Center for Sustainable Research Data Management, Hamburg University)
3
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
2
Cambridge University Press
2
Digital Library Thüringen
2
Eberhard Karls University Tübingen: Publication System
2
Frontiers: Figshare
2
German Aerospace Center: elib - DLR electronic library
2
MOnAMi - Publication Server of the University of Applied Sciences Mittweida
2
Macquarie University Research Portal
2
Münster University (WWU): miami
2
Publication Server of the Justus-Liebig-University of Giessen
2
Umeå University: Publications (DiVA)
2
University of Freiburg: FreiDok
2
University of Michigan: Digital Collections
2
University of Tromsø: Munin Open Research Archive
2
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
Böhlau Verlag (via Crossref)
1
Canadian Science Publishing
1
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
1
DIAL@USL-B (Université Saint-Louis, Bruxelles)
1
De Gruyter
1
DergiPark Akademik (E-Journals)
1
DigiZeitschriften: The German digital journal archive (Göttingen University Library)
1
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