Content Provider
Canadian Science Publishing (via Crossref)
77
ScienceDirect (Elsevier - via Crossref)
61
Oxford University Press (via Crossref)
51
Oxford University Press
45
Springer Nature (via Crossref)
44
Canadian Science Publishing
37
ScienceDirect (Elsevier)
28
Wiley Online Library (via Crossref)
27
Wiley Online Library
23
Informa
4
Informa (via Crossref)
4
Cambridge University Press
3
De Gruyter (via Crossref)
2
University of St Andrews: Digital Research Repository
2
ARPI - Archivio della Ricerca dell'Università di Pisa
1
De Gruyter
1