@misc{indiciae1c345402b82b,
  title = {Stratospheric condensation nuclei variations may relate to solar activity},
  author = {Hofmann, D. J. and Rosen, J. M.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19820049927},
  note = {Source identifier: 19820049927}
}