1. A new type of dynamic-balancing machine;Thearle;Trans. ASME,1932
2. Automatic precision balancing;Ernst;Machine Design,1951
3. An analysis of a new type of automatic balancer;Hedaya;J. Mech. Eng. Sci.,1977
4. Self-synchronization and automatic balancing in rotor dynamics;Sperling;Int. J. Rotating Machinery,2000
5. L. Sperling, H. Duckstein, Zum selbsttätigen Auswuchten des starren Rotors in zwei Ebenen, Proceedings Schwingungen in rotierenden Maschinen V (SIRM 2001), Referate doe Tagung in Wien, 26–28 Feb., 2001, 161–168.