Content Provider
MTAK: REAL (Library and Information Centre of the Hungarian Academy of Sciences
8
University of Szeged: SZTE Repository of Papers and Books
5
University of Debrecen Electronic Archive (DEA)
3
DataCite Metadata Store (German National Library of Science and Technology)
2
MTAK Folyorat-Szerkesztö Rendszer (Magyar Tudományos Akadémia Könyvtára)
2
Kaposvar University: E-Journals
1
University of Debrecen Publishing Platform
1