@misc{indiciae689b1f0be5a6,
  title = {Plasma tail evolution in Comet P/Halley 1985-1986},
  author = {Brandt, J. C. and Niedner, M. B., Jr.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890057111},
  note = {Source identifier: 19890057111}
}