000 00323nam a2200145Ia 4500
020 _a0307035972
040 _cPK-LaCSN
082 _a510
_bBEF
245 0 _aBefore i do maths
260 _c2003
_bGolden books
_aNew york
300 _a32
942 _cTB
999 _c837727
_d837704