| 000 | 00434nam a2200157Ia 4500 | ||
|---|---|---|---|
| 003 | NIELib | ||
| 008 | 211019s9999||||xx |||||||||||||| ||und|| | ||
| 020 | _a356040062 | ||
| 082 |
_a507.07 _bRAD |
||
| 100 |
_aRadford, Don _95594 |
||
| 245 | _aScience from toys stages 1 and 2 and background | ||
| 260 |
_bMacdonald Educational, _c1972. _aLondon: |
||
| 300 |
_a92p.; _c22 cm. |
||
| 650 | 0 |
_91850 _aScience and Technology |
|
| 942 |
_2ddc _cSR |
||
| 999 |
_c28718 _d28718 |
||