TY  - BOOK
AU  - Subrahmanyam,N
ED  - Lal, Brij
TI  - Textbook of sound 
SN  - 0706998170
U1  - 534 
PY  - 1974///
CY  - New Delhi
PB  - VikasPpublishing House 
KW  - Sound
KW  - Physics
ER  -