000 00367nam a22001337a 4500
008 091118t xxu||||| |||| 00| 0 eng d
080 _a510
_bCRI
100 _aCrilly,Tony
_91839
245 _aFifty mathematical ideas:
_byou really need to know/
_cTony Crilly
260 _aGreat Britan
_bQuercus
_c2009
300 _a208p.
653 _aMathematics
942 _cBK
999 _c161554
_d161554