Content Provider
ScienceDirect (Elsevier)
49
Springer Nature (via Crossref)
38
ScienceDirect (Elsevier - via Crossref)
17
Informa (via Crossref)
6
Stockholm University Press (via Crossref)
5
IOP Publishing (via Crossref)
4
Informa
4
Wiley Online Library
4
Wiley Online Library (via Crossref)
4
IEEE Publications
3
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
3
Stockholm University Press
3
Utrecht University Repository
3
IEEE Publications (via Crossref)
2
ACS Publications
1
Aberdeen University Research Archive (AURA)
1
Harvard University: DASH - Digital Access to Scholarship at Harvard
1
Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto
1
IOP Publishing
1
Schweizerbart Science Publishers (via Crossref)
1
The University of Milan: Archivio Istituzionale della Ricerca (AIR)
1
Theses Canada/Thèses Canada (Library and Archives Canada)
1
University of California Press
1
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
1
Università degli studi di Torino: AperTo (Archivio Istituzionale ad Accesso Aperto)
1