@misc{indiciaed0a598682341,
  title = {Extinction by interstellar grains, Mie particles and polycyclic aromatic molecules.},
  author = {Donn, B. and Krishna Swamy, K. S.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690045690},
  note = {Source identifier: 19690045690}
}