@misc{indiciae92d50c71a44d,
  title = {Comparison of TOMS and AVHRR volcanic ash retrievals from the August 1992 eruption of Mt. Spurr},
  author = {N.A. Krotkov and O. Torres and C. Seftor and A.J. Krueger and A. Kostinski and William I. Rose and G.J.S. Bluth and D. Schneider and S.J. Schaefer},
  year = {1999},
  doi = {10.1029/1998gl900278},
  url = {https://pubs.usgs.gov/publication/70021724},
  note = {Source identifier: 70021724}
}