1. Vibration processes and machines;Chelomei;M Mechanical Engineering,1981
2. Vibration machines in the construction and production of building materials;Bauman,1970
3. About new directions of using the resonance phenomenon in machines;Astashev;Bulletin of scientific and technological development. National Technology Group,2011
4. Passing through resonance in a two-frequency problem;Nejshtadt;Reports of the USSR Academy of Sciences,1975