| 000 | 00297nam a2200109Ia 4500 | ||
|---|---|---|---|
| 942 | _cBK | ||
| 654 | _a | ||
| 245 |
_aScience experiments with simple equipment _bThe unesco source book for science teaching |
||
| 260 |
_aTokyo _bCharles E. Tuttle Company _c1956 |
||
| 082 | _a375.5 | ||
| 300 |
_bHb _a224 |
||
| 999 |
_c355048 _d355048 |
||
| 041 | _aeng | ||