TY  - BOOK
AU  - Jones, Robert S.
AU  - Gateield, E. N.
TI  - Testing concrete by an Ultrasonic Pulse Technique
U1  - 693.5 
PY  - 1963///
CY  - London
PB  - HMSO Her Majesty's Stationary Office
KW  - Concrete--Testing
KW  - Ultrasonic testing
ER  -