@misc{indiciae8ff3c754e06f,
  title = {Solid hydrogen coated graphite particles in the interstellar medium. I.},
  author = {Swamy, K. S. K. and Wickramasinghe, N. C.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690059503},
  note = {Source identifier: 19690059503}
}