1. The practical use of ultrasonic pulse velocity measurements in the assessment of concrete quality;Tomsett;Magazine of Concrete Research,1980
2. Testing of concrete by the ultrasonic pulse method;Anon;RILEM Recommendation NDTI,1972
3. Measurement of the velocity of ultrasonic pulses in concrete;Anon,1974
4. Effects of embedded steel bars upon ultrasonic testing of concrete;Chung;Magazine of Concrete Research,1978
5. The structural use of concrete,1972