Content Provider
The Royal Society
172
The Royal Society (via Crossref)
156
JSTOR (via Crossref)
34
Springer Nature (via Crossref)
29
Oxford University Press (via Crossref)
8
Wiley Online Library
7
Wiley Online Library (via Crossref)
7
American Scientific Publishers (via Crossref)
6
Cambridge University Press
5
ScienceDirect (Elsevier)
4
Cambridge University Press (via Crossref)
3
IOP Publishing (via Crossref)
3
Aberdeen University Research Archive (AURA)
2
UCL Press (via Crossref)
2
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
2
American Scientific Publishers
1
Bentham Science Publishers (via Crossref)
1
Caltech Authors (California Institute of Technology)
1
De Gruyter (via Crossref)
1
Informa (via Crossref)
1
International Press of Boston
1
JSTOR
1
Johns Hopkins University Press (via Crossref)
1
Ovid
1
SAGE Publications (via Crossref)
1
University of Westminster Press (via Crossref)
1