000 00260pam a2200109a 44500
008 230405s2012 xxu||||| |||| 00| 0 eng d
041 _aENG
100 _aM.S.B. of S.Pune
245 _aPhysics XII
260 _aPune
_bM.S.B. of S.& H.S.
_c2012
906 _a13830
999 _c304329
_d304329