Content Provider
Biodiversity Heritage Library (BHL)
40
Bavarian Digital Repository (BDR - Bayerische Staatsbibliothek Munich, BSB)
28
DataCite Metadata Store (German National Library of Science and Technology)
15
Directory of Open Access Journals: DOAJ Articles
10
Open-Access-Publikationsserver der Humboldt-Universität: edoc-Server
8
Digital Repository of Scientific Institutes (RCIN)
7
GEO-LEOe-docs (FID GEO)
4
Unknown
4
pedocs document server (German Education Portal/DIPF)
4
Eberhard Karls University Tübingen: Publication System
2
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
2
MACAU: Open Access Repository of Kiel University
2
AMUR - Adam Mickiewicz University Repository, Poznan
1
Adam Mickiewicz University in Poznań: PRESSto
1
Archives ouvertes de Paris-Saclay
1
Center for Jewish History: Digital Collections
1
DataCite
1
Digital Library of University of Wroclaw
1
Freie Universität Berlin: Refubium (FU Berlin)
1
Robert Koch Institute: Publications
1
TU Wien: reposiTUm
1
University Scientific Journals University of Gdansk (UGN)
1
University of Innsbruck: Digital Library (Universitäts- und Landesbibliothek Tirol)
1
University of Luxembourg: ORBilu - Open Repository and Bibliography
1
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
1
bonndoc - The Repository of the University of Bonn
1