Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
113
Directory of Open Access Journals: DOAJ Articles
24
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
17
German Aerospace Center: elib - DLR electronic library
14
Unknown
14
ZFDM Repository (Center for Sustainable Research Data Management, Hamburg University)
11
Graz University (UGR): Unipub
10
University of Freiburg: FreiDok
8
Fondazione Edmund Mach: IRIS-OpenPub
7
GEO-LEOe-docs (FID GEO)
7
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
7
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
6
University of Innsbruck: Digital Library (Universitäts- und Landesbibliothek Tirol)
5
epub.oeaw (The digital publication portal of the Austrian Academy of Sciences)
5
Cologne University: KUPS
4
KITopen (Karlsruhe Institute of Technologie)
4
KU.edoc - Publikationsserver der Katholischen Universität Eichstätt-Ingolstadt
4
Max Planck Society: MPG.PuRe
4
Publication Server of Goethe University Frankfurt am Main
4
TU Wien: reposiTUm
4
ediss.sub.hamburg (Staats- und Universitätsbibliothek Hamburg, Carl von Ossietzky)
4
ETH Zürich Research Collection
3
Munich University of Technology (TUM): mediaTUM
3
BORIS (Bern Open Repository and Information System, University of Bern)
2
Georg-August-Universität Göttingen: GOEDOC
2
Georg-August-Universität Göttingen: eDiss
2
Institutional Repository of Leibniz Universität Hannover
2
Justus-Liebig-Universität Giessen: JLUpub
2
OpenAgrar (OA)
2
Publication Server of the Justus-Liebig-University of Giessen
2
Springer Nature (via Crossref)
2
TU Braunschweig: LeoPARD - Publications And Research Data
2
University of Potsdam: publish.UP
2
ZHAW digitalcollection (Repository of the Zurich University of Applied Sciences)
2
bonndoc - The Repository of the University of Bonn
2
ePLUS - Open Access Publikationsserver der Universität Salzburg
2
BOKU:ePUB (Publikationsserver der Universitätsbibliothek Bodenkultur Wien)
1
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
1
DBGPrints-Archive (German Soil Science Society)
1
DORA Empa
1
DigiZeitschriften: The German digital journal archive (Göttingen University Library)
1
Digital Library Thüringen
1
EconStor (German National Library of Economics, ZBW)
1
FIRe! - Publikationsserver des FIZBw (Fachinformationszentrum der Bundeswehr)
1
Heidelberg University Publishing (heiUP) (E-Journal)
1
Hereon Publications (Helmholtz-Zentrum)
1
JKI Open Journal Systems (Julius Kühn-Institut)
1
Leuphana University of Lüneburg: Forschungsindex FOX
1
MOnAMi - Publication Server of the University of Applied Sciences Mittweida
1
Münster University (WWU): miami
1
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