000 00333nam a2200145Ia 4500
008 230302s9999 xx 000 0 und d
041 _aENGLISH
082 _a530
100 _aRamachandra Rao N.A.
245 2 _aA T.B. of PUC Physics Vol.2
260 _aaaa
_bDhvanyaloka
300 _a0
650 _aCurrent Science
942 _cBK
999 _c1801
_d1801