Content Provider
LeibnizOpen (The Leibniz Association)
21
Directory of Open Access Journals: DOAJ Articles
9
Unknown
4
Aberdeen University Research Archive (AURA)
1
DataCite Metadata Store (German National Library of Science and Technology)
1
JYX - Jyväskylä University Digital Archive
1
Jultika - University of Oulu repository
1
LAEI VL (Lithuanian Institute of Agrarian Economics Virtual Library)
1
LSRC VL (Lithuanian Social Research Centre Virtual Library)
1
LaCRIS - University of Lapland Current Research System
1
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
1
University of Copenhagen: Research
1
University of Portsmouth: Portsmouth Research Portal
1