000 00337nam a2200145Ia 4500
020 _a0721425100
082 _b2633
_a510
100 _a"Norman D Lock"
245 0 _aEssential Number Skills
260 _bLadybird Books Ltd
_aUK
_c1996
300 _a24
944 _cTR
999 _c584099
_d584099