TY - Journal of Yangtze River Scientific Research Institute A1 - WANG Zhen-shuang, SHI Yu-qun, HE Jin-ping T1 - Combinatorial Forecast Model of Monitoring Effect Quantities Based on Periodic Extensional Method and Grey-Time Serial Model Y1 - 2014-09-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 29 EP - 32 VL - 31 IS - 9 UR - http://ckyyb.crsri.cn N1 - 10.3969/j.issn.1001-5485.2014.09.006 ER -