@misc{indiciae60e8e170677e,
  title = {Pi 3 magnetic pulsations associated with substorms},
  author = {Nagano, H. and Suzuki, A. and Kim, J. S. and Sugiura, M.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810052759},
  note = {Source identifier: 19810052759}
}