泾洛河流域元代干旱灾害初步研究
	
	
		顾 静, 赵景波, 周 杰, 张佑印
	
	
	
		An initial study on drought disasters and climate change in the Yuan Dynasty in the Jinghe and Luohe drainage basins
	
	
		GU Jing, ZHAO Jing-bo, ZHOU Jie, ZHANG you-yin
	
	
	
	地理研究
	. 
	
	2009, (3): 663
	
	-672
	
	
	. 
	
	DOI: 10.11821/yj2009030011