Xujun Liu, Hidetaka Nanao, Tongsheng Li, Shigeyuki Mori, A study on the friction properties of PAAc hydrogel under low loads in air and water, Wear, 2004, 257: 665-670

Xujun Liu, Tongsheng Li, NongTian, Weimin Liu, Study on tribological properies of frictional material based aromatic polyamide, J. Appl. Polym. Sci., 2001, 81: 2790-2794

Xiaoxia Liu, Tongsheng Li, Xujun Liu, Renguo Lv, Study on tribological properties of polytetrafluoroethylene drawn uniaxially at different temperature, Macromol. Mater. Eng. 2005, 290: 172-178

Zhaobin Chen, Tongsheng Li, Xujun Liu, Renguo Lv Friction and wear mechanisms of polyamide 66/high density polyethylene blends, J. Polym. Sci. B: Polym. Phys., 2005, 43: 2514-2523

Shiquan Lai, Tongsheng Li, Xujun Liu, Renguo Lv, A study on the friction and wear behavior of PTFE filled with acid treated nano-attapulgite, Macromol. Mater. Eng., 2004, 289: 916-922