1. Costa JG, Gonzalez RE, Guyotte RE, Salvano DP, Swift T, Koenig RJ. Titanium Rotating Components Review Team Report, Federal Aviation Administration, December 1990.
2. Probability and statistics for engineers;Scheaffer,1986
3. Ultrasonic signal-to-noise ratio enhancement using adaptive filtering technique;Chiou;Review of Progress in Quantitative Nondestructive Evaluation of Materials,1995
4. Application of bandpass filtering in ultrasonic nondestructive testing;Murthy;Review of Progress in Quantitative Nondestructive Evaluation of Materials,1989
5. Flaw-to-grain echo enhancement by split-spectrum processing;Newhouse;Ultrasonics,1982