Document Type : research article
. (2018). . Journal of Vibration and Sound, 6(12), 135-139.
. "", Journal of Vibration and Sound, 6, 12, 2018, 135-139.
. (2018). '', Journal of Vibration and Sound, 6(12), pp. 135-139.
, "," Journal of Vibration and Sound, 6 12 (2018): 135-139,
. . JVS. 2018;6(12):135-139 (In Persian).