000 nam a22 7a 4500
999 _c308076
_d308076
003 IARI
080 _a539.76
_bN277A
245 _aA.B.C.of The Atom
_cby National Council of Educational Research And Training
260 _aNew Delhi
_c1972
300 _a120 p.
901 _a142406
942 _2udc
_cB