000 00404nam a2200157Ia 4500
008 221030s9999 xx 000 0 und d
020 _a8187224223
041 _aEnglish
082 _a105.23
_bGup
100 _aS. K. Gupta
245 0 _aEngineering Physics Vol. IV Wave Motion & Sound
_cby S. K. Gupta
260 _bKrishna Pub.
_aNew Delhi
_c2001
300 _a4.292
650 _aPhysics
942 _cBK
999 _c5912
_d5912