| 000 | 00411nam a2200169Ia 4500 | ||
|---|---|---|---|
| 999 |
_c29033 _d29033 |
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| 005 | 20220606112047.0 | ||
| 008 | 180712s9999 xx 000 0 und d | ||
| 020 | _a9231024477 | ||
| 041 | _aEN | ||
| 082 |
_a371.3574 _bUNE _223 |
||
| 100 | _aUNESCO | ||
| 245 | _aNew trends in biology teaching | ||
| 260 |
_aParis _bUnesco _c1987 |
||
| 300 | _a(v.v-222 p.) | ||
| 500 | _aIncludes bibliography. | ||
| 942 | _cS | ||