000 00270nam a2200109Ia 4500
008 240531s9999 xx 000 0 und d
082 _a510 7 CLA
100 _aClarke, L. H
245 0 _aModern mathematics at ordinary level
260 _aHeinemann
_b1970
942 _cBKS
999 _c303494
_d303494