1. Electric Bikes in the People’s Republic of China: Impact on the Environment and Prospects for Growth;Asian Development Bank,2009
2. Comparative analysis of the safety effects of electric bikes at signalized intersections;Bai;Transp. Res. Part D: Transp. Environ.,2013
3. Bai, Y.G., 2002. 北京修建128公里高速路(Beijing has built 128km highway), Beijing Daily Messenger, 28th September, p4.
4. Beijing People’s Congress, 2004. “北京市实施道路交通安全发办法立法听证会网上报名” (‘Beijing Road Transportation Safety Law’ legislative hearing online registration). (accessed 24.04.13).
5. Sociotechnical regimes and transition contexts;Berkhout,2004