1. Acoustic detection of crack initiation in sharply notched specimens;Brown;Mater. Res. Stand.,1964
2. Fracture analysis by use of acoustic emission;Dunegan,1967
3. Some observations on stress wave emission as a measure of crack growth;Gerberich;Int. J. Fracture Mech.,1967
4. Investigation of crack growth stress-wave relationships;Hartbower;Engng Fracture Mech.,1968
5. Monitoring subcritical crack growth by detection of elastic stress waves;Hartbower;Weld. J.,1968