Content Provider
Canadian Science Publishing (via Crossref)
277
Canadian Science Publishing
233
Oxford University Press (via Crossref)
153
Oxford University Press
131
Springer Nature (via Crossref)
117
Wiley Online Library (via Crossref)
60
Wiley Online Library
45
ScienceDirect (Elsevier - via Crossref)
20
ScienceDirect (Elsevier)
12
Informa (via Crossref)
10
JSTOR (via Crossref)
4
Informa
3
Arctic Institute of North America (via Crossref)
2
Frontiers (Publisher)
2
JSTOR
1