1. V.V. Tupov, Study of intake noise in motorcycle engines. Cand. dissertation, M., BMHTS. 1972. 235 p.
2. Leo L. Beranek, Acoustic Measurements, New York-London, 1949.
3. A Physical Analysis of Distortion Produced by the Nonlinearity of the Medium
4. M.L. Munjal, Acoustics of Ducts and Mufflers. - New York: Wiley enters science, 1987. 328 p.
5. Sound attenuation in turbulent pipe flow