TY  - BOOK
AU  - Khanna,D.R.
AU  - Bedi,R.S.
TI  - A textbook of sound: for B.A. & B. Sc. (pass & hons.) students of Indian universities,
AV  - QC225 .K45 1962
PY  - 1962///
CY  - Delhi
PB  - Atma Ram
KW  - Sound
ER  -