Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
15
da|ra - Registration agency for social and economic data
10
WikiBooks - Open-content textbooks
3
Directory of Open Access Journals: DOAJ Articles
2
GEO-LEOe-docs (FID GEO)
2
Journal für Psychoanalyse (Psychoanalytisches Seminar Zürich - PSZ)
2
Eberhard Karls University Tübingen: Publication System
1
Georg-August-Universität Göttingen: eDiss
1
Graz University (UGR): Unipub
1
Journals of Faculty of Arts, University of Ljubljana
1
MACAU: Open Access Repository of Kiel University
1
OPUS - Publication Server of the University of Stuttgart
1
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1
Publication Server of Goethe University Frankfurt am Main
1
TU Darmstadt: tuprints
1
Thieme (via Crossref)
1
University of Innsbruck: Digital Library (Universitäts- und Landesbibliothek Tirol)
1
University of Zurich (UZH): HOPE (Hauptbibliothek Open Publishing Environment)
1
Universität der Bundeswehr München: AtheneForschung
1
Unknown
1
ediss.sub.hamburg (Staats- und Universitätsbibliothek Hamburg, Carl von Ossietzky)
1