Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
4
University of Tartu: ojs.utlib.ee
2
Unknown
2
Arctic and Antarctic Research
1
Directory of Open Access Journals: DOAJ Articles
1
Hydrosphere (E-Journal)
1
Knowledge Portal University of Public Service Ludovika
1
LAEI VL (Lithuanian Institute of Agrarian Economics Virtual Library)
1
LSRC VL (Lithuanian Social Research Centre Virtual Library)
1
MDPI Open Access Publishing
1
Saint Petersburg State University: Research Repository (DSpace SPbU)
1
University of Calgary Journal Hosting
1