000 00294nam a22001337a 4500
005 20251122121615.0
082 _a534
_bGUN
100 _aGunasinghe, R.M.
_9826
245 _aSound: unit 2/
260 _aNawala:
_bOUSL,
_c2012
300 _a109p.
650 0 _aFoundation Physics
_9827
942 _cBK
999 _c5166
_d5166