Content Provider
Cambridge University Press
88
ScienceDirect (Elsevier - via Crossref)
41
Springer Nature (via Crossref)
33
Canadian Science Publishing (via Crossref)
22
Informa (via Crossref)
17
ScienceDirect (Elsevier)
13
Canadian Science Publishing
7
Informa
3
Cambridge University Press (via Crossref)
2
Brill (via Crossref)
1
Ghent University Academic Bibliography
1
Harvard University: DASH - Digital Access to Scholarship at Harvard
1
SAGE Publications (via Crossref)
1
SPIE Publications (via Crossref)
1