基于系统聚类分析的西部地区环境污染程度评价
	
	
		奥布力·塔力普, 汪慧玲, 阿里木江·卡斯木
	
	
	
		The environmental pollution degree in West China assessed by hierachical cluster analysis
	
	
		Aobuli Talipu, WANG Huiling, Alimujiang Kasimu
	
	
	
	冰川冻土
	. 
	
	2015, (1): 266
	
	-270
	
	
	. 
	
	DOI: 10.7522/j.issn.1000-0240.2015.0030