000 00311nam a2200109Ia 4500
008 201121s9999 xx 000 0 und d
100 _aRanganajan K.S.
245 0 _aIndian Journal Of Pure& Applied Physics
260 _bNew Delhi,The Council of Scientific Industrial & Research
300 _c832
942 _cBV
999 _c16192
_d16192