TY  - BOOK
AU  - D R Khanna and others
AU  - KHANNA (D R)
AU  - BEDI (S)
TI  - Textbook of Sound
U1  - 534/152 23
PY  - 1969///
CY  - Delhi
PB  - Atma Ram and Sons
KW  - Physics
KW  - Sound Recording
ER  -