| 000 | 00321 a2200121 4500 | ||
|---|---|---|---|
| 005 | 20250829163504.0 | ||
| 082 |
_a510 _bOPM |
||
| 245 |
_aNumber systems _b: mathematics foundation course unit 34 |
||
| 260 |
_aBletchley Bucks: _bOpen University Press, _c1971. |
||
| 300 | _a53p. | ||
| 650 |
_aMathematics _9198447 |
||
| 942 | _cBK | ||
| 999 |
_c57028 _d57028 |
||