References
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- Zhaoxi , Bai and Baozen , Yang . 1986 . ‘The Current Situation in the Utilization of the Huanghe River Resources and the Prospects for its Development in Future’ . The People's Huanghe River ,
- Chinese Academy of Sciences . 1981 . Editorial Board of The Physical Geography of China, Surface Water , 96 – 98 . Beijing : Science Press .