Yang, P., Wei, H. -L., Baum, B. A., Huang, H. -L., Heymsfield, A. J., Hu, Y. X., … Turner, D. D. (2003). The spectral signature of mixed-phase clouds composed of non-spherical ice crystals and spherical liquid droplets in the terrestrial window region. Journal Of Quantitative Spectroscopy &Amp; Radiative Transfer, 79, 1171-1188. doi:10.1016/S0022-4073(02)00348-5