EN中文
Comparison between China's and USA's Spatial Structure of Crude Oil Importing Trade Based on Complex Network Theory
WANG Zhao-jun, CHENG Shu-jia, YU Guo-zheng
SCIENTIA GEOGRAPHICA SINICA . 2010, (5): 667 -672 .  DOI: 10.13249/j.cnki.sgs.2010.05.667