000 00317nam a22001457a 4500
003 OSt
005 20220702095630.0
008 220702b ||||| |||| 00| 0 eng d
040 _cgk
100 _aBV narayana Rao
245 _aModern Physics
260 _aDelhi
_bNew Age
_c2020
300 _a470
942 _2ddc
_cBK
999 _c21957
_d21957