1978年改革开放以来中国交通地理格局演变与规律
金凤君,陈卓

Evolution of transportation in China since reform and opening-up: Patterns and principles
JIN Fengjun,CHEN Zhuo
图8 中国直辖市与省会城市交通圈的演变(不含港澳台地区)
Fig. 8 Evolution of traffic circles of provincial-level municipalities and provincial capitals in China (Excluding Hong Kong, Macao and Taiwan)