000 00237nam a2200097Ia 4500
008 220905s9999 xx 000 0 und d
020 _a9788178625461
100 _aChattopadhyay D
_9172046
245 0 _aExperiment with sound
942 _cBK
_w561
_xJohn Tresidder
_y561
_zJohn Tresidder
999 _c730736
_d730735