Variations of the alpine precipitation during 1960-2006 recorded in Laohugou ice core in western Qilian Mountains, China
QIN Xiang, CUI Xiaoqing, DU Wentao, REN Jiawen, CHEN Jizu
Acta Geographica Sinica . 2014, (5): 681 -689 .  DOI: 10.11821/dlxb201405011