| 000 | 00439nam a2200169 4500 | ||
|---|---|---|---|
| 008 | 160616s2007 000 0 | ||
| 245 |
_aRoots to research _ba vertical development of mathematical problems |
||
| 100 | _aSally, Judith | ||
| 100 | _aSally, Paul J | ||
| 260 | _aUSA | ||
| 260 | _bAmerican Mathematical Society | ||
| 260 | _c2007 | ||
| 300 | _a338 | ||
| 020 | _a9780821844038 | ||
| 942 |
_cBK _2BK22880 |
||
| 080 | _a51 SAL | ||
| 999 |
_c22880 _d22880 |
||