000 00262nam a2200121Ia 4500
008 220201s1995 xx 000 0 eng d
082 _a530
_bPAD
100 _aPadmanabham, SK
245 0 _aPhysics
260 _bDelhi: CBS
_c1995
300 _a451
942 _2ddc
999 _c85959
_d85959