000 01671nam a2200325Ia 45e0
008 181001s1984 xx 000 0 und d
100 _aRajam J.B.
245 0 _aModrn physics
260 _aNewDelhi
_bS.Chand & com.
_c1984
300 _a619
942 _2ddc
_cBK
999 _c3491
_d3491