1. Harmonic theory of noise in induction motors;Morrill;Transactions of American Institute of Electrical Engineers,1940
2. The magnetic noise of polyphase induction motors;Alger;Transactions of the American Institute of Electrical Engineers, Power Apparatus and Systems, Part III,1954
3. Vibration and current monitoring for detecting airgap eccentricity in large induction motors;Cameron;IEE Proceedings,1986