000 00304nam a2200121Ia 4500
008 250224s9999 xx 000 0 und d
020 _a174210361
082 _aJ513.713SEA
100 _aSealey Leonard
245 0 _aLet's find out mathematics
260 _bThomas Nelson and Sons
_c1971
942 _cJBK
999 _c431936
_d431936