000 00245nam a22001097a 4500
082 _a513 MOR'M
100 _aMORTON, ROBERT LEE
_959963
245 _aMAKING SURE OF ARITHMETIC
260 _aNEWYORK
_b1952
_cSILVER
300 _a346P
942 _cBK
999 _c569818
_d569818