TY  - BOOK
AU  - Subramanyam,N.
AU  - Lal,Brij
TI  - A textbook of sound
SN  - 070698868X
U1  - 534 
PY  - 1995///
CY  - New Delhi
PB  - Vikas Publishing House
KW  - Sound-waves
N1  - Includes index
ER  -