000 00335nam a2200145Ia 4500
020 _a1863881832
082 _bT-555
_a510
100 _a"Neville Barnad"
245 0 _aMathematics at work
260 _bAshton scholastic
_aEng
_c1977
300 _a31
944 _cTB
999 _c237436
_d237436