GIS-based evaluation,analysis and planning of tourism resources in Chongqing
JIANG Yong-jun, KUANG Ming-sheng, QI Dai-hua, LI Lin-li, HUANG Guo-qing
JOURNAL OF NATURAL RESOURCES . 2004, (1): 38 -46 .  DOI: 10.11849/zrzyxb.2004.01.005