000			00492nam a22001937a 4500
999			_c15304 _d15304
003			OSt
005			20190915232328.0
008			190112b ||||| |||| 00| 0 eng d
040			_aOSt _bEnglish _cOSt _dOSt
082			_a512.81 / S18n
100			_aNarayan, Shanti _932858
245			_aNumber systems / _cShanti narayan.
260			_aDelhi : _bS. Chand, _c1970.
300			_a128 p. ; _c20 cm.
500			_aIncludes index.
508			_a323
650			_anumber _932859
942			_2ddc _cBK