1. Acoustic Monitoring for Leak Detection in P.W.R.;Smith;ASTM STP 697,1979
2. Acoustic Measurement of Valve Leakage Rates;Dickey;Materials Evaluation,1978
3. Acoustic Monitoring of Relief Valve Position;Hartman;EPRI NP-1313,1980
4. On the Acoustic Leak Detection Method in Piping System;Kitajima;The Thermal and Nuclear Power,1980