000 00253nam a2200109Ia 4500
008 221001s1968 xx 000 0 eng d
082 _a491.438 RAS (H)
245 0 _aRashtra-bharti
260 _aDelhi
_bN.C.E.R.T.
_c1968
300 _a217p.
942 _2ddc
_cBK
999 _c554
_d554