@misc{indiciaea736959362ae,
  title = {Interplanetary Shock Triggering of Geomagnetic Activity: Wind and Polar},
  author = {Tsurutani, B. and Zhou, X.},
  year = {2000},
  url = {https://ntrs.nasa.gov/citations/20060032771},
  note = {Source identifier: 20060032771}
}