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