Comparison of realistic geo-space and virtual cyberspace in China
LU Zi, CHI Fang, WANG Ran, HAN Bing, WU Shi-Feng, HAN Rui-Ling
SCIENTIA GEOGRAPHICA SINICA . 2008, (5): 601 -606 .  DOI: 10.13249/j.cnki.sgs.2008.05.601