000 00308nam a2200109Ia 4500
008 201121s9999 xx 000 0 und d
100 _aKrishnamurthi,A.
245 0 _aIndian Journal Pure And Applied Physics
260 _bNew Delhi,Council Of Science And Indian National Res.
300 _c629
942 _cBV
999 _c16281
_d16281