@misc{indiciae5c10af945c5f,
  title = {Cometary particles - Thin sectioning and electron beam analysis},
  author = {Bradley, J. P. and Brownlee, D. E.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19860047321},
  note = {Source identifier: 19860047321}
}