Lin, H., Noone, K. J., Strom, J., & Heymsfield, A. J. (1998). Small ice crystals in cirrus clouds: A model study and comparison with in situ observations. Journal Of The Atmospheric Sciences, 55, 1928-1939. doi:10.1175/1520-0469(1998)055<1928:SICICC>2.0.CO;2