000 00316nam a22001337a 4500
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008 210716b ||||| |||| 00| 0 eng d
041 _aeng
100 _aArya A P
_924647
245 _aElementary modern physics
260 _aN Delhi
_bAddison wesley
_c1974
300 _a548
942 _cBK
999 _c62169
_d62169