TY  - BOOK
AU  - D.P ROY- CHAUDHURI
TI  - ADVANCED ACOUSTICS
U1  - 534/ROY/ADV 
PY  - 1987///
CY  - KOLKATA
PB  - THE NEW BOOK STALL
KW  - PHYSICS
KW  - SOUND & RELATED VIBRATIONS
ER  -