| 000 | 00476nam a2200181Ia 4500 | ||
|---|---|---|---|
| 005 | 20250508160531.0 | ||
| 008 | 008 250505s9999 xx 000 0 eng d | ||
| 037 | _aReference | ||
| 040 |
_aFEDL _beng _cFEDL |
||
| 041 |
_aeng _2eng |
||
| 084 |
_a507, UNE _qFEDL |
||
| 245 | 0 | _aUnesco source book for science teaching | |
| 245 | 0 | _cUNESCO | |
| 260 |
_aParis, France _bUNESCO _c1962 |
||
| 300 | _a250p. | ||
| 942 |
_cREF _h507, UNE |
||
| 999 |
_c1365206 _d1365206 |
||