TY - Journal of Yangtze River Scientific Research Institute A1 - CUI Dong-wen T1 - Comprehensive Assessment of the Vulnerability of Water Resources by Improved BP Neural Network Model Y1 - 2013-03-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 1 EP - 7 VL - 30 IS - 3 UR - http://ckyyb.crsri.cn N1 - 10.3969/j.issn.1001-5485.2013.03.001 ER -