Differences Between Collection 4 and 5 MODIS Ice Cloud Optical/Microphysical Products and Their Impact on Radiative Forcing Simulations. - Ping Yang 007; Lei Zhang 032; Gang Hong; Shaima L. Nasiri; Bryan A. Baum; Hung-Lung Huang; Michael D. King; Steven Platnick (IEEE Trans. Geosci. Remote. Sens., 2007)