1. Lynch, D.D.: HRG development at Delco, Litton, and Northrop Grumman. In: Proceedings of of Anniversary Workshop on Solid-State Gyroscopy, 19–21 May 2008. Yalta, Ukraine. Kyiv-Kharkiv. ATS of Ukraine, ISBN:978-976-0-25248-5 (2009)
2. Bryan G.H.: On the beats in the vibrations of a revolving cylinder or bell. Proc. Camb. Philos. Soc. Math. Phys. Sci. VII(III), 101–111 (1890)
3. Zhuravlev, V.F., Klimov, D.M.: Wave Solid-State Gyro. Nauka Publisher, Moscow (1985) (in Russian)
4. Bose, A., Puri, S., Banerjee, P.: Modern Inertial Sensors and Systems. Prentice-Hall of India, New Delhi, II (2008)
5. Osiander, R., Darrin, M.A.G., Champion, J.L.: MEMS and Microstructures in Aerospace Applications. Taylor & Francis Publisher, London. ISBN:0824726375 (2005)