| 000 | 00449nam a2200169Ia 4500 | ||
|---|---|---|---|
| 003 | NIELib | ||
| 008 | 211019s9999||||xx |||||||||||||| ||und|| | ||
| 020 | _a 9231010581 | ||
| 082 |
_a507 _bNEW |
||
| 245 | _aNew unesco source book for science teaching | ||
| 260 |
_bUnited Nations Educational, _c1973, _aParis : |
||
| 300 |
_a270p.; _bill.; _c23cm |
||
| 650 | _aScience Teaching | ||
| 650 | _aScience | ||
| 700 |
_95942 _aUnesco |
||
| 942 |
_2ddc _cLM |
||
| 999 |
_c23227 _d23227 |
||