Content Provider
LeibnizOpen (The Leibniz Association)
20
Unknown
5
DataCite Metadata Store (German National Library of Science and Technology)
4
Directory of Open Access Journals: DOAJ Articles
3
MDPI Open Access Publishing
2
The Czech Academy of Sciences: Publication Activity (ASEP)
2
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1
City University of New York: CUNY Academic Works
1
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
1
Harvard University: DASH - Digital Access to Scholarship at Harvard
1
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System)
1
Karlstad University: Publications (DIVA)
1
Lund University Publications Student Papers (LUP-SP)
1
Opin vísindi (Iceland)
1
PRISM - University of Calgary Digital Repository
1
PUBLISSO Fachrepositorium Lebenswissenschaften (ZB MED)
1
Universitat Autònoma de Barcelona: Dipòsit Digital de Documents de la UAB
1
University of Tromsø: Munin Open Research Archive
1
ZRC SAZU Publishing (Znanstvenoraziskovalni center - Slovenske akademije znanosti in umetnosti)
1
Zenodo
1
uO Research (University of Ottawa - uOttawa)
1