中国科学院数学与系统科学研究院期刊网
The intraday trend and impact factor analysis on liquidity of Chinese futures market
LIU Xiang-li, WANG Shou-yang
Systems Engineering - Theory & Practice . 2013, (6): 1395 -1401 .  DOI: 10.12011/1000-6788(2013)6-1395