1. Munro RG. Gear Transmission Error. AGMA Aerospace Gearing Commitee Meeting, vol 10. Portsmouth; 1967.
2. Analysis of the vibratory excitation of gear systems: basic theory;Mark;J Acoust Soc Am,1978
3. Mark WD. Gear noise origins. In: Proceedins of the AGARD conference (propulsion energy panel symposium). Lisbonne; 1984, p. 1–14.
4. Salzer MLW, Smith JD, Welbourn DB. Simulation of noise from gears when varying design and manufacturing parameter. Paris: World Congress on Gearing; 1977.
5. Welbourn DB. Gear noise spectra – a rational explanation. In: Proceedings of the ASME international power transmission and gearing conference. Chicago (US); 1977.