000 00342nam a2200145Ia 4500
020 _a1857582365
082 _bT-754
_a500
100 _a"Powell, Robert"
245 0 _aMathematics 4
260 _bBPP ( Letts Educational ) Ltd
_aLondon
_c1993
300 _a384
944 _cTR
999 _c65926
_d65926