WASET
    Un-Hwan Park and  Jun-Hyeok Heo and  In-Sung Lee and  Tae-Hyeon Oh and  Dae-Gyu Park,  The Prediction of Sound Absorbing Coefficient for Multi-Layer Non-Woven.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2017, vol. 128(8). 1478 - 1482
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/10007812.