TY  - BOOK
TI  - Waves and vibrations : unit ww
T2  - Advance Physics Project for independent learning
SN  - 0719545757
U1  - 530.76 
PY  - 1989///
CY  - London
PB  - John Murray Ltd.
KW  - Waves
KW  - Vibration
N1  - ILEA Physics Project Team
ER  -