地理学报
Spatial Structure of Tourist Source Areas for the Naturally Scenic Sightseeing Places:A Case Study of Jiuzhaigou
ZHANG Jie, DU Jin kang, ZHOU Yin kang, ZHANG Si yan, PAN Bing
Acta Geographica Sinica . 1999, (4): 357 -364 .  DOI: 10.11821/xb199904008