TY  - BOOK
AU  - Subrahmanyam, N.
AU  - Lal, Brij
TI  - Waves and oscillations
U1  - 530.12/4 
PY  - 1974///
CY  - New Delhi
PB  - Vikas Publishing House pvt ltd.
KW  - Waves
KW  - Oscillations
ER  -