1. USEPA (United States Environmental Protection Agency)Health Assessment Document for Diesel Engine Exhaust. EPA/600/8–90/057F(Office of Transportation and Air Quality, Washington, DC, 2002)
2. Health effects of diesel emissions
3. DieselNet Technology GuideThe Case for Diesel Enginehttp://mech.yonsei.ac.kr/lab/intercom/cyberclass/Diesel.htm (2000) (accessed: June, 2002) (re‐accessed: April 5, 2004)