| 000 | 00429nam a2200145Ia 4500 | ||
|---|---|---|---|
| 999 |
_c29047 _d29047 |
||
| 005 | 20220429134811.0 | ||
| 008 | 180712s9999 xx 000 0 und d | ||
| 020 | _a9231010581 | ||
| 082 |
_a507 _bUNE _223 |
||
| 245 | _aNEW UNESCO source book for science teaching | ||
| 260 |
_aParis _bUnited Nations Educational Scientific and Cultural Organizat _c1973 |
||
| 300 | _a270 p. | ||
| 500 | _aIncludes appendix and index. | ||
| 942 | _cS | ||