Assimilating FY-3A VASS Data into Chinese 3Dvar Assimilation System (Grapes 3Dvar). - Qifeng Lu; Xuebao Wu; Peng Zhang 024; Songyan Gu; Chaohua Dong; Jiandong Gong; Xueshun Shen; Chenli Qi; Gang Ma 006 (IGARSS (2), 2009)