Content Provider
Umeå University: Publications (DiVA)
5
DataCite
3
mediarep
3
Frankfurt/Main University Library: Digitale Sammlungen
2
Georg-August-Universität Göttingen: GOEDOC
2
Max Planck Society: MPG.PuRe
2
Open-Access-Publikationsserver der Humboldt-Universität: edoc-Server
2
Publication Server of Goethe University Frankfurt am Main
2
Hrčak - Portal of scientific journals of Croatia
1
Jagiellonian University Repository
1
PubMed Central (PMC)
1
University of Potsdam: publish.UP
1
Unknown
1