Pre One:Changsheng Cai, Yang Gao (2009).A combined GPS/GLONASS navigation algorithm for use with limited satellite visibility. The Journal of Navigation, 62(4):671-685 (SCI)

Next One:Changsheng Cai, Zhizhao Liu, Pengfei Xia, Wujiao Dai (2013). Cycle-slip detection and repair for undifferenced GPS observations under high ionospheric activity. GPS Solutions, 17(2):247-260 (SCI)