@misc{indiciae1b0e7e59ffdb,
  title = {Interstellar silicate absorption bands},
  author = {Gehrz, R. D. and Hackwell, J. A. and Woolf, N. J.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700064315},
  note = {Source identifier: 19700064315}
}