000 00348nam a2200145Ia 4500
008 180626s9999 xx 000 0 und d
082 _a510 D583r 1975
100 _aDilley, Clyde A.
245 0 _aHeath elementary mathematics
260 _aToronto
260 _bD.C. Heath and Co.
260 _cc1975
300 _a284 p
650 _aMathematics
999 _c47699
_d47699