TY  - BOOK
AU  - Subramanian, C V
ED  - Indian Society for Non-Destructive Testing
TI  - Practical Ultrasonics
T2  - National Certification Board Series
SN  - 9788173196461
U1  - 620.28 
CY  - New Delhi
PB  - Narosa Publishing House
KW  - Terminology, Test methods, Pulse Echo Type Ultrasonic Flaw Detector, Sensors, Calibration of the test system, Test Blocks
ER  -