1. Den Hartog, J. P. Mechanical Vibration, Dover Publications, New York, 1985.
2. Casado, C.; Poncela, A.; Lorenzana, A. Study and design of an adaptive tuned mass damper for self-climbing formworks in the construction of concrete piers. Proceedings of the 7th International Conference on Short and Medium Span Bridges, Montreal, 2006.
3. Chopra, A. K. Dynamics of Structures: Theory and Applications to Earthquake Engineering, (2nd Edition), Prentice Hall, Upper Saddle River, New Jersey, 2001.