| 000 | 00353 a2200133 4500 | ||
|---|---|---|---|
| 020 | _a710031424 | ||
| 041 | _aeng | ||
| 082 | 0 | 4 | _a155 |
| 100 | 1 |
_aPiaget, Jean _941168 |
|
| 245 | 1 | 4 |
_aThe child's conception of number / _cJean Piaget |
| 260 |
_aLondon: _bRoutledge and Kegan Paul Ltd., _c1941 |
||
| 300 |
_avii, 248p. ; _c22 cm. |
||
| 653 | _aChilderens | ||
| 999 |
_c247938 _d247874 |
||