000 00453 a2200217 4500
001 116026
020 _a9780756651640
041 _apor
090 _aYear 5 530
092 _a2010282297
100 _aBall, Johnny.
250 _a. ed.
300 _a93 p.
697 _aMathematics
697 _aMeasurement
697 _aPi
040 _aBR-BrIDEA
_cBR-BrIDEA
245 1 0 _aWhy pi?
_c Johnny Ball
260 _bDK Pub.
_c2009
942 _cBK
999 _c116026
_d116026