On Progressive Decrease Rate of Surface Runoff at Different Periods in Arid Regions of Shaanxi and Gansu Provinces
YAN Jun-ping, WANG Xi-li, SUN Hu, CHEN Lin
SCIENTIA GEOGRAPHICA SINICA ›› 1999, Vol. 19 ›› Issue (6) : 532-535.
On Progressive Decrease Rate of Surface Runoff at Different Periods in Arid Regions of Shaanxi and Gansu Provinces
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