TY - Journal of Yangtze River Scientific Research Institute A1 - XU Ji-jun, PAN Deng T1 - Comprehensive Assessment of Drought Severity Based on Its Evolution Course Simulation Y1 - 2014-10-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 16 EP - 22 VL - 31 IS - 10 UR - http://ckyyb.crsri.cn N1 - 10.3969/j.issn.1001-5485.2014.10.003 ER -