| 000 | 003850000a22001570004500 | ||
|---|---|---|---|
| 008 | 151207t1979 xxu||||| |||| 00| 0 eng d | ||
| 020 | _a0584103670 | ||
| 041 | _aeng | ||
| 080 |
_a159.98 _bK4 |
||
| 942 |
_cBK _03 |
||
| 100 | _aKelsey, Kenneth | ||
| 245 | _aNumber puzzles | ||
| 260 |
_aLondon _bFredrick Muller Limited _c1979 |
||
| 300 | _a90p. | ||
| 650 | _aMATHEMATICAL RECREATIONS | ||
| 999 |
_c139086 _d139086 |
||