Cirrus climatology at mid-latitude observed with Lidar P. Keckhut, S. Bekki, A. Hauchecorne, F. Borchi, A. Colette, C. David, and J. Jumelet Climate, Ozone,
Remote Sensing of the Oceans and Atmosphere Tom Collow December 10, 2009.
AIRS (Atmospheric Infrared Sounder) L2, version 5, NASA
Cirrus cloud evolution and radiative characteristics