@misc{indiciae457c7f82c9fa,
  title = {Io and its plasma environment},
  author = {Southwood, D. J. and Kivelson, M. G. and Walker, R. J. and Slavin, J. A.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19810030278},
  note = {Source identifier: 19810030278}
}