000 | 00374nam a2200157Ia 4500 | ||
---|---|---|---|
008 | 131223s9999 xx 000 0 und d | ||
040 | _aISI KOLKATA | ||
041 | _aEnglish | ||
082 |
_a513 _bSw971 |
||
100 | _aSwain R L | ||
245 | _aUnderstanding arithmetic | ||
260 |
_aN Y _bRinehart _c1959 |
||
300 | _axxii,268p | ||
650 | _aMathematics-arithmetic | ||
942 | _cBK | ||
999 |
_c42558 _d42558 |