TY  - RPRT
TI  - Surface electric fields for North America during historical geomagnetic storms
AU  - Lisa H. Wei
AU  - Nichole Homeier
AU  - Jennifer L. Gannon
PY  - 2013
DO  - 10.1002/swe.20073
UR  - https://pubs.usgs.gov/publication/70047671
ID  - 70047671
ER  -