M. Sasajima and M. Watanabe and T. Yamaguchi and Y. Kurosawa and Y. Koike, Acoustic Analysis with Consideration of Damping Effects of Air Viscosity in Sound Pathway. journal = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology. June 2013, vol. 78(6). 1327 - 1332 [viewed 18 September 2024]. Available from: https://publications.waset.org/pdf/8614.