000 00234nam a2200109Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aSINGH SARDAR
245 0 _aOBJECTIVE PHYSICS
250 _aV
260 _bCBH
942 _2ddc
_cBTECH
999 _c4757
_d4757