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The Repository of the University of Silesia (RE-BUŚ)
1
Thieme (via Crossref)
1
University of Basel: edoc
1
University of Copenhagen: Research
1
University of Florida: Digital Library Center
1
University of Potsdam: publish.UP
1
Universität Leipzig: Qucosa
1
Universität Siegen: OPUS Siegen
1
Universität Wien: OJS-Service
1
e-manuscripta.ch
1
e-rara.ch (ETH Zürich)
1
mediarep
1
wbv open access
1