TY - Journal of Yangtze River Scientific Research Institute A1 - CHEN Jin, XU Zhen T1 - Principles of Determining River Source: Case Study on the Sources of Three Rivers Y1 - 2016-03-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 23 EP - 28 VL - 33 IS - 3 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20160021 ER -