Active remote sensing of snow using NMM3D/DMRT and comparison with CLPX II airborne data - Xu, X.; Liang, D.; Tsang, L.; Andreadis, K.M.; Josberger, E.G.; Lettenmaier, D.P.; Cline, D.W.; Yueh, S.H. (IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2010)