@article{PB-48BD6E8EDF7B45954F8D,
  title = {Study of Planar Ice Crystal Orientations in Ice Clouds from Scanning Polarization Lidar Observations},
  author = {Vincent Noël and Kenneth Sassen},
  journal = {Journal of applied meteorology},
  year = {2005},
  doi = {10.1175/jam2223.1}
}