EN中文
Core-per iphery Spatial Structur e and Its Evolution of Tourism Region in Sichuan Province
SHI Chunyun, ZHANG Jie, YOU Haimei, LI Donghe, WANG Yan
Acta Geographica Sinica . 2007, (6): 631 -639 .  DOI: 10.11821/xb200706008