000 00280nam a2200121Ia 4500
008 220201s1998 xx 000 0 eng d
082 _a530
_bTHE
100 _aTheraja, B L
245 0 _aModern physics
260 _aNew Delhi
_bS.Chand & Co.
_c1998
300 _a422
942 _2ddc
999 _c27406
_d27406