000 00425nam a2200145Ia 4500
001 5d272ea90c3da45296e88020af30853a125dfc19
008 140104s9999 xx 000 0 und d
100 _aGupta
245 _aKrishnas engineering physics, Vol.04: Wave motion and sounds /
_cGupta, Arun Kumar
250 _a1st ed.
260 _bKrishna Prakashan Media,
_aMeerut :
700 _aArun Kumar
942 _cBK
999 _c18751
_d18751