宁夏六盘山区多年降水的时空变化分析
陈海波, 严华生, 陈 文, 杜 鑫
Analysis on Precipitation Variation over the LiupanM ountain Area, Ningxia
CHEN Hai-Bei, YAN Hua-Sheng, CHEN  Wen, DU  Xin
J4 . 2009, (2): 103 -110 .