A Comparative Analysis on Sustainable Utilization of Water Resources in Arid and Semi arid Regions of Gansu Province
CHEN Xing-peng, KANG Er-si
JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY . 2001, (1): 74 -79 .  DOI: 10.7522/j.issn.1000-0240.2001.0014

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