TY  - RPRT
TI  - Ionospheric current source modeling and global geomagnetic induction using ground geomagnetic observatory data
AU  - Jin Sun
AU  - Anna Kelbert
AU  - G. D. Egbert
PY  - 2015
DO  - 10.1002/2015jb012063
UR  - https://pubs.usgs.gov/publication/70182720
ID  - 70182720
ER  -