1. Stress wave emission in ndt;Pollock;Non-destructive Testing,1969
2. Acoustic emission — a new non-destructive testing tool;Dunegan;Ultrasonics,1969
3. Acoustic emission as an aid to pressure vessel inspection;Bentley,1972
4. Waveforms and frequency spectra of acoustic emissions;Stephens;Journal of the Acoustical Society of America,1971
5. Smith, B. Stress-wave-emission tests on a military bridge, MVEE technical report 725 36 (to be published)