Content Provider
Directory of Open Access Journals: DOAJ Articles
10
Ike Skelton Combined Arms Research Library (CARL) Digital Library
5
Cologne University: KUPS
2
Bayreuth University: EPub Bayreuth
1
University of St. Gallen: Research Platform Alexandria
1
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
1
Unknown
1