000 00308nam a2200121Ia 4500
008 250224s9999 xx 000 0 und d
020 _a80156568
082 _a510.713FLE
100 _aFletcher Harold
245 0 _aMathematics With Understanding Book 1
260 _bPergamon Press Ltd
_c1970
942 _cBK
999 _c431376
_d431376