| 000 | 00337 a2200109 4500 | ||
|---|---|---|---|
| 082 |
_a510 _bOPF |
||
| 100 |
_aThe Open University _9203209 |
||
| 245 |
_aFinite differences _b: prepared by the mathematics foundation course team correspondence text4 |
||
| 260 |
_aBletchley, Bucks: _bThe Open University, _c1970. |
||
| 300 | _a63p. | ||
| 942 | _cBK | ||
| 999 |
_c56282 _d56282 |
||