000 00666nam a2200265Ia 4500
003 OSt
005 20220912151945.0
006 a|||||r|||| 00| 0
007 ta
008 220909b |||||||| |||| 00| 0 eng d
024 _a63803
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aB1, K31
100 _aHacker Sidney G
245 0 _aFundamental concepts of arithmetic
260 _c1963
300 _ap.
_ccm.
650 _aArithmetic
700 _a Barnes Wilfred E
700 _a Long Calvin T
942 _hB1, K31
_cTEXL
_2CC
999 _c78045
_d78045