近一千年来贺兰山积雪和气候变化
璩向宁, 汪一鸣
Investigation on changes of snow cover and climate in Helanshan mountains for the past approximate millennium
QU Xiang-ning, WANG Yi-ming
地理研究 . 2006, (1): 35 -42 .  DOI: 10.11821/yj2006010005