| 000 | 00394nam a22001337a 4500 | ||
|---|---|---|---|
| 008 | 130225b xxu||||| |||| 00| 0 eng d | ||
| 020 | _a0199143617 | ||
| 040 |
_aBSU _cBSU |
||
| 082 |
_221 _a519.3CHA |
||
| 245 |
_aChallenging mathematics: _bA selection of secondary school mathematics problems |
||
| 260 |
_aOxford _bOxford University Press _c1990 |
||
| 300 |
_a96p.: _bill. _c30cm |
||
| 942 |
_2ddc _cBK |
||
| 999 |
_c2049 _d2049 |
||