TY  - BOOK
AU  - N. Subrahmanyam,
AU  - Lal, Brij 
TI  - A text book of sound
U1  - 534 
PY  - 1975///
CY  - New Delhi
PB  - Vikas Publishing House Pvt. Ltd.
KW  - Harmonic oscillators
KW  - Lissajous figures
KW  - Wave motion
KW  - Velocity of sound
ER  -