| 000 | 00344nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 200806s9999 xx 000 0 und d | ||
| 082 |
_a513 _bBAL |
||
| 100 | _aBALLARD, P.B. | ||
| 245 | 0 |
_aFundamental arithmetic _c By P.B. Ballard |
|
| 260 |
_aLondon _bUniversity of London press |
||
| 300 | _a80 p. | ||
| 650 | _aArithmetic | ||
| 942 | _cPRP | ||
| 999 |
_c144161 _d144160 |
||