| 000 | 00388nam a2200157Ia 4500 | ||
|---|---|---|---|
| 700 | _aFehr, Howard .F | ||
| 100 | _aFehr, Howard .F | ||
| 250 | _a2nd Ed | ||
| 365 | _b76 | ||
| 942 | _cBK | ||
| 654 | _a | ||
| 245 | _aTeaching modern mathematics in the elementary school | ||
| 260 |
_aLondon _bAddison-Wesley Publishing Company _c1972 |
||
| 082 | _a372.7 | ||
| 300 |
_bHb _c24 _axviii,515 |
||
| 999 |
_c367340 _d367340 |
||
| 041 | _aeng | ||