Content Provider
ScienceDirect (Elsevier - via Crossref)
157
Springer Nature (via Crossref)
55
Cambridge University Press
54
ScienceDirect (Elsevier)
39
Wiley Online Library
17
Canadian Science Publishing (via Crossref)
13
Oxford University Press (via Crossref)
11
Canadian Science Publishing
10
Wiley Online Library (via Crossref)
10
Informa (via Crossref)
9
Oxford University Press
8
De Gruyter (via Crossref)
4
Informa
3
DataCite
2
JSTOR
1
University of California Press (via Crossref)
1