1. Géraudin M., Rixen D. Mechanical Vibrations. Wiley 1994, p. 411,
ISBN 0-471-93927-7
2. Sayer F.P., Bones J.A. Applied Mechanics. Chapman and Hall, 1990, p.340,
ISBN 0-412-34140-9
3. Mukhopadhyay,M. Vibrations, Dynamics and Structural Systems, Bulkema A.A.,
2000, ISBN 90-5410-728-6, p.521.
4.Taylor,J.R. Classical Mechanics, University Science Books, 2005,ISBN 1-891389-22-X,p.786
5. Thomson, W.T., Dahleh, M.D. : Theory of Vibration with Applications. Prentice Hall, Upper Saddle River, New Jersey, 1998. ISBN 0-13-651068-X
6. Eshleman, R. L. : Basic Machinery Vibrations. VIPress, Incorporated, Clarendon Hills, Illinois 60514, USA,1999. ISBN 0-9669500-0-3
7. Vinogradov O. : Fundamentals of Kinematics and Dynamics of Machines and Mechanisms. CRC Press Crisfield M. A. - Non-linear finite element analysis of solids and structures. John Wiley & Sons Ltd, Baffins Lane, Chichester, 1997