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| 1998, Vol. 1(1): 98-99 DOI: | ||
| System of variation of underground water resources and its applications | ||
| Gao Zhengxia, Cao Wanjin, Wu Jimin, Zhang Junchao, Wu Anqi | ||
| 1. Section of Underground Water Resources, Faculty of Civil Engineering, Hohai University, China; Bureau of Water Resources of Ningxia, China | ||
| Received null Revised null | ||
| Supporting info | ||
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