@misc{indiciae8e821a568ee8,
  title = {Cosmic dust in the stratosphere.},
  author = {Arnold, J. R. and Bhandari, N. and Parkin, D. W.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680041812},
  note = {Source identifier: 19680041812}
}