北京环城游憩带旅游地类型与空间结构特征
苏平, 党宁, 吴必虎
Attraction categories and spatial characteristics in recreational belt around metropolis: Beijing case study
SU Ping, DANG Ning, WU Bi hu
地理研究 . 2004, (3): 403 -410 .  DOI: 10.11821/yj2004030014