| 000 | 00398nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 210210b1975 xxu||||| |||| 00| 0 eng d | ||
| 020 | _a0 1402 04784 | ||
| 082 | _a793.735 NORR | ||
| 100 | _aNORTHROP (Eugene P). | ||
| 245 | _aRiddles in mathematics. | ||
| 260 |
_aEngland. _bPenguin Books _c1975 |
||
| 300 | _a239 | ||
| 650 | _aRiddles Mathematics | ||
| 690 | _aIndoor Games | ||
| 906 | _a033304 | ||
| 999 |
_c84120 _d84120 |
||