Content Provider
The Repository of the University of Silesia (RE-BUŚ)
7
University of Lodz Repository (RUŁ)
6
Repozytorium Instytucjonalne KUL (Katolicki Uniwersytet Lubelski Jana Pawła II)
4
University of Technology and Life Sciences (UTP) Bydgoszcz: Digital Repository
4
University of Rzeszów (UR): Repository
3
Centre for Open Science: CeON Repository
2
Digital Library of the Jan Kochanowski University
2
Jagiellonian University: Jagiellonian Digital Library
2
DataCite Metadata Store (German National Library of Science and Technology)
1
Lower Silesian Digital Library
1
MCS University Digital Library
1