| 000 | 00492nam a2200169Ia 4500 | ||
|---|---|---|---|
| 001 | 12577 | ||
| 008 | 110929s1972 000 0 spa | ||
| 082 | _a516 G342 | ||
| 110 |
_aNational Council of teachers of mathematics U.S.A. _9339665 |
||
| 245 |
_aGeometría informal _cNational Council of teachers of mathematics U.S.A. |
||
| 250 | _a1 | ||
| 260 |
_aMéxico _bTrillas _c1972 |
||
| 300 | _a83 p. | ||
| 490 | _aTemas de matemáticas | ||
| 650 |
_aGEOMETRÍA _9339666 |
||
| 942 |
_cBK _2ddc |
||
| 999 |
_c238200 _d238200 |
||