TY  - BOOK
AU  - Subrahmanyam,N.
AU  - Lal,Brij
TI  - Waves and oscillations
SN  - 9780706985436
U1  - 530 21
PY  - 1994///
CY  - New Delhi
PB  - Vikas, 
N1  - Includes index
ER  -