虚拟腹地:中国大陆口岸地位的度量与解释
杨家文, 周一星
RANKING PORTS ON CHINESE MAINLAND WITH THE CONCEPT OF VIRTUAL HINTERLAND
YANG Jia-wen, ZHOU Yi-xing
人文地理 . 2001, (6): 1 -6 .  DOI: 10.13959/j.issn.1003-2398.2001.06.001