000 00249nam a2200121Ia 4500
082 _a530 THE
100 _aTHERAJA, B.L.
110 _aTHERAJA, A.K.
245 _aMODERN PHYSICS
260 _bS.CHAND & CO.
_c1976
300 _a374
942 _2ddc
_cB
999 _c40766
_d40766