@misc{indiciae037b65cb1a79,
  title = {Volcanic ash plume identification using polarization lidar: Augustine eruption, Alaska},
  author = {Kenneth Sassen and Jiang Zhu and Peter W. Webley and K. Dean and Patrick Cobb},
  year = {2007},
  doi = {10.1029/2006gl027237},
  url = {https://pubs.usgs.gov/publication/70171984},
  note = {Source identifier: 70171984}
}