@misc{indiciae631162d9a385,
  title = {On the question of interstellar silicate absorption},
  author = {Donn, B. and Hunter, C. and Krishna Swamy, K. S.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700058724},
  note = {Source identifier: 19700058724}
}