@misc{indiciae5eef6beeb193,
  title = {Graphite particle model for NML Cygnus.},
  author = {Swamy, K. S. K. and Wickramasinghe, N. C.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19690035786},
  note = {Source identifier: 19690035786}
}