WASET
    Joonsup Han and  Jaehyeon Lee and  Hyungmin Kim and  Kihyung Lee,  A Study on the Effect of Valve Timing on the Combustion and Emission Characteristics for a 4-cylinder PCCI Diesel Engine.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2010, vol. 46(10). 1100 - 1106
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/7187.