TY  - BOOK
AU  - Subrahmanyam,N.
AU  - Lal,Brij
TI  - A textbook of sound / 
U1  - 534 SUB 23
PY  - 1988///
CY  - New Delhi
PB  - Vikas Publishing House
KW  - Sound
N1  - Includes index
ER  -