1. Gai Shi. Growth of hybrid vehicles is slow in China [J]. Automobile and Safety. 2009: 21.
2. Li Chao, Ning Guobao, Wang Jian. Domestic research status of oil-electric hybrid bus power system[J]. Beijing Automobile. 2009. 1: 34-38.
3. Zhong Zhihua, Zhang Weigang, Cao Libo. Automotive Crash Safety Technology[M]. Beijing: China Mechine Press, (2003).
4. TNO MADYMO BV. Reference Manual. [M]. Version7. 0. Delft, Netherlands: TNO Auto-Motive Safety Solutions, (2008).
5. Xie Qingxi. Simulation and research of the rhomboid vehicle's crash safety[D]. Changsha: Hunan University. 2005: 1-60.