TY  - BOOK
AU  - Prasad, J.
AU  - Rangachari,T.
AU  - Murthy,B.N.S.
TI  - Theory and practise of ultrsonic testing
T2  - Treatise on non-destructive testing & evaluation
U1  - 620.1127 
PY  - 1984///
CY  - Bangalore
PB  - Hindustan Aeronautics Ltd.
ER  -