| 000 | 00406nam a2200157Ia 4500 | ||
|---|---|---|---|
| 001 | 9800 | ||
| 008 | 170722s9999 xx 000 0 und d | ||
| 110 | _aUnesco | ||
| 245 |
_aDirectory : _bEducational documentation and information services / |
||
| 260 |
_aUnesco : _bParis , _c1977. |
||
| 300 |
_a68 p. _c24cms |
||
| 490 | _aIBEDATA | ||
| 653 | _aDocumentation | ||
| 653 | _aLibrary Science | ||
| 942 | _cGEN | ||
| 999 |
_c98087 _d98087 |
||