Zeynep Parlar and  Şengül Ari and  Rıfat Yilmaz and  Erdem Özdemir and  Arda Kahraman,  Acoustic and Flow Field Analysis of a Perforated Muffler Design.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2013, vol. 75(3). 447 - 451
    [viewed 19 February 2020]. Available from: https://publications.waset.org/pdf/11998.