000 00501nam a2200205Ia 4500
005 20250508151930.0
008 008 250505s9999 xx 000 0 eng d
037 _aTextual
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a513, SPI
_qFEDL
100 _aSpitzer Herbert F
_9758654
245 0 _aTeaching of arithmetic
250 _a2nd
260 _c1954
300 _a416p.
650 _aArithmetic
942 _cTEXL
_h513, SPI
999 _c1333048
_d1333048