1) F.H. Schlereth: Detection of Incipient Machine Failure Through Vibration Analysis, ASME Publication, 72-DE-55 (1972)
2) O.T. Saugerud: Practical Condition Monitoring of Rotating Machinery by Vibration Analysis, Det. Norske Veritas, Publication 101 (1977)
3) T. Watanabe, et al.: Rotor Vibration of Large Turbine Generator, The Thermal and Nuclear Power, 25-10 (1974)
4) Y. Hashimoto, et al.: Acoustical Diagnostic Methods of Using Histogram Analysis for Checking Nuclear Power Plant Component, Proc. of 5th Annual conf., Industrial and Control Applications of Microprocessors, Filadelfia (1979)
5) B. Weichbradt: Mechanical Signature Analysis, A New Tool for Product Assurance and Early Fault Detection, CONE-671011, Session V (1967)