WASET
Han, J. , Lee, J. , Kim, H. , Lee, K. (2010). 'A Study on the Effect of Valve Timing on the Combustion and Emission Characteristics for a 4-cylinder PCCI Diesel Engine'. World Academy of Science, Engineering and Technology, Open Science Index 46, International Journal of Mechanical and Mechatronics Engineering, 4(10), 1100 - 1106.