| 000 | 00511nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 131223s9999 xx 000 0 und d | ||
| 040 | _aISI KOLKATA | ||
| 041 | _aEnglish | ||
| 082 |
_a371.26 _bRb-68-52 |
||
| 100 | _aRothenberg B B | ||
| 245 | _aDevelopmental study of nonconservation choices in young children | ||
| 260 |
_aNew Jersey _bETS _c1968 |
||
| 440 | _aEducational Testing Service. Princeton : Research bulletin; 52 | ||
| 650 | _aEducational tests | ||
| 700 |
_aCourtney R C _4Auth. |
||
| 942 | _cBK | ||
| 999 |
_c92455 _d92455 |
||