我国西部生态退化的社会经济分析—

陈国阶

A Social and economic analysis of ecological deterioration in the Western China——A case study of West Sichuan

CHEN Guo-jie

地理科学 . 2002, (4): 390 -396 . DOI: 10.13249/j.cnki.sgs.2002.04.390