1. Development and prospects for the electrified railways in China;Cai;Chinese Railways (in Chinese),1998
2. Measurement of air pollutant in the exhaust from locomotive diesel engine;Cai;Railway Occupational Safety, Health & Environmental Protection (in Chinese),1996
3. UK’s incentives to promote emissions reduction in business sector and their relevance to China;Chen;Adv. Clim. Change Res. (in Chinese),2006
4. Concise Railway Statistics (in Chinese),2009
5. Control of atmospheric CO2 concentration by 2050: An allocation on the emission rights of different countries;Ding;Science in China Series D,2009