TY  - BOOK
AU  - Subrahmanyam, N.
AU  - Brij Lal
TI  - A textbook of sound: for B. Sc. (Hons. & Gen.)
SN  -  978-07069-9817-7
U1  - 534 
PY  - 1995///, r2019
CY  - Noida
PB  - Vikas Pub.
KW  - SOUND
ER  -