Prediction of annual precipitation based on fuzzy and grey Markov process. - Li-Li Sheng; Wu-Qun Cheng; Hui Xia; Xian-Bing Wu; Xi-Ping Zhang (ICMLC, 2010)

Soil water division by SPSS statistics analysis software in Hebei Province. - Hui Xia; Hui-Ling Han; Lu-Hua Yang; Li-Li Sheng; Hong-Sheng Wang (ICMLC, 2010)