Research on urban spatial expansion and land use inner structure transformation of the large valley-basin cities in China from 1949 to 2005 &mdash|A case study of Lanzhou
YANG Yong-chun, YANG Xiao-juan
JOURNAL OF NATURAL RESOURCES . 2009, (1): 38 -49 .  DOI: 10.11849/zrzyxb.2009.01.005