明清时期凉山地区水旱灾害时空分布特征
朱圣钟
Spatial and temporal distributions of floods and droughts in Liangshan in Ming and Qing dynasties
ZHU Sheng-zhong
地理研究 . 2012, (1): 23 -33 .  DOI: 10.11821/yj2012010003