TY  - BOOK
AU  - R L SAIHGAL
TI  - A TEXT BOOK OF SOUND
U1  - BB543SA21T 
PY  - 1973///
CY  - NEW DELHI
PB  - S.CHAND & COMPANY LTD
KW  - A TEXT BOOK OF SOUND
N1  - MODERN BOOK HOUSE JABALPUR
ER  -