000 00280nam a2200097Ia 45e0
008 181001s1971 xx 000 0 und d
100 _aKumar Pupta
245 0 _aPractical physics Part I
260 _aBombay
_bTaraporwala DB
_c1971
942 _2ddc
_cBK
999 _c1638
_d1638