Content Provider
Springer Nature (via Crossref)
40
AAAS Resource Center (American Association for the Advancement of Science - via Crossref)
18
AAAS Resource Center (American Association for the Advancement of Science)
11
IMHE OpenIR (Institute of Mountain Hazards and Environment, Chinese Academy of Sciences)
4
Lund University Publications (LUP)
3
ScienceDirect (Elsevier - via Crossref)
3
Institute of Botany: IBCAS OpenIR (Chinese Academy Of Sciences)
2
Canadian Science Publishing (via Crossref)
1
Harvard University: DASH - Digital Access to Scholarship at Harvard
1
Imperial College London: Spiral
1
Institute of Earth Environment: IEECAS OpenIR (Chinese Academy of Sciences)
1
LIU - Linköping University: Publications (DiVA)
1
Uppsala University: Publications (DiVA)
1