| 000 | 00347 a2200133 4500 | ||
|---|---|---|---|
| 020 | _a0335142702 | ||
| 082 |
_a004.0151 _bOPE |
||
| 090 |
_c6071 _d8258 |
||
| 245 |
_aChapter 1 numbers and machines _bBlock I (Chapters 1-3) |
||
| 260 |
_aWalton _bOpen University _c1988 _g1988 |
||
| 300 |
_a51p. _c29cm |
||
| 650 | _aMathematical principles | ||
| 942 | _cL | ||
| 999 |
_c34867 _d34867 |
||