000			00350nam a2200145 4500
003			OSt
008			220602b |||||||| |||| 00| 0 eng d
082			_a372.7 _bCOR
100			_aCordin,P.W
245			_aNumber in Mathematics : Book 7
260			_aLondon: _bMacmillan,
300			_a48 p.; _c18 cm _bill.
650		0	_aEducation
942			_2ddc _cLM
999			_c139516 _d139516