| 000 | 00551nam a2200169 a 4500 | ||
|---|---|---|---|
| 005 | 20210219161944.0 | ||
| 008 | 080801s1981 mx r 000 0 spa d | ||
| 020 | _a9232019604 | ||
| 035 | _aUPN01000194897 | ||
| 049 | _aUNE | ||
| 080 | _aDO 341.16: 001 (047.3) =40 1980 INF No. 21 | ||
| 111 | 2 |
_aActes de la conférence générale _n(21a. : _d1980 : _cBelgrade) |
|
| 245 | 1 | 0 |
_aRapports : _bComissions du programme, commission administrative, comité juridique (volume 2) |
| 260 |
_aParís : _bUNESCO, _c1981. |
||
| 300 | _a320 p. | ||
| 905 | _aUNESCO | ||
| 999 |
_c166998 _d166998 |
||