000			00335nam a2200145 4500
003			OSt
008			220602b |||||||| |||| 00| 0 eng d
082			_a372.7 _bBEL
100			_aBell,S.E
245			_aAll Sorts of Numbers
260			_aLondon: _bLongman,
300			_a32 p.; _bill. _c22 cm
650		0	_aEducation
942			_2ddc _cLM
999			_c139471 _d139471