Heoy Geok How, Yew Heng Teoh, Kok Hwa Yu, Hun Guan Chuah and Kai Wen Samson Lim 2018. Impact of Gasoline RON on Engine Vibration, Knock and Sound Level in a Single-Cylinder SI Engine. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences. 45, 1 (May 2018), 73–81.