@misc{indiciaea400c8a96f4e,
  title = {Closed-form approximate solutions to the oscillatory plasma continuity equations},
  author = {Nichols, L. D. and Roth, J. R.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700008330},
  note = {Source identifier: 19700008330}
}