| 000 | 00383nam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 110908t xxu||||| |||| 00| 0 eng d | ||
| 080 | _a51 | ||
| 100 |
_aHarold, P _94285 |
||
| 245 |
_aThe national council of teachers of mathematics _cP.Harold |
||
| 250 | _aS.ed | ||
| 260 |
_aColombia university _bNew york _c1938 |
||
| 300 | _a146p. | ||
| 650 |
_aMatematica _92510 |
||
| 942 |
_2udc _cBK |
||
| 999 |
_c8254 _d8254 |
||