000 00309nam a2200145Ia 4500
001 18651
008 230330s9999 xx 000 0 und d
100 _aAlcorn, David
245 0 _aMathematics Level 3 & 4
260 _aUk
260 _bCauseway Press Ltd.
260 _c1991
300 _a312
942 _cBK
999 _c9558
_d9558