Airborne Lidar Observations in the Wintertime Arctic Stratosphere: Polar...
Browell, E., C. F. Butler, S. Ismail, P. A. Robinette, A. F. Carter, M. S. Higdon, B. Toon, M. R. Schoeberl, and A. F. Tuck (1990), Airborne Lidar Observations in the Wintertime Arctic Stratosphere: Polar stratospheric clouds, Geophys. Res. Lett., 17, 385-388.