| 000 | 00370nam a2200157Ia 4500 | ||
|---|---|---|---|
| 001 | 68533 | ||
| 008 | 150918s9999 xx 000 0 und d | ||
| 020 | _aNA | ||
| 040 | _cPK-LaUMT | ||
| 082 |
_aRCC 507.24 _bUNE- |
||
| 245 |
_aUNESCO source book for science teaching _a2nd |
||
| 260 |
_aParis,France: _bUNESCO, _c1962 |
||
| 300 | _a250 p. | ||
| 546 | _aEN | ||
| 942 | _cBK | ||
| 999 |
_c76122 _d76122 |
||