TY  - BOOK
AU  - Bhattacharya,K.
TI  - Sound: a physical text book for pass and honours degree classes 
U1  - 534 
PY  - 0000///[n.d.]
CY  - Calcutta
PB  - Hindustan Pub. Concern
KW  - Sound
KW  - Textbooks
N1  - Includes index
ER  -