000 00301nam a2200121Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a510BHA:S
100 _aBhatia, H.S.
245 0 _aSpeed Maths and beauty of numbers
260 _aNew Delhi
_bDeep & Deep
_c2005
942 _cGB
999 _c18171
_d18171