| 000 | 00438nam a2200157 a 4500 | ||
|---|---|---|---|
| 005 | 20210219161244.0 | ||
| 008 | 110826s1981 mx r 000 0 spa d | ||
| 020 | _a9231018388 | ||
| 035 | _aUPN01000181575 | ||
| 049 | _aUNE | ||
| 080 | 0 | _a341. 16: 001 (100) =20 UNE s | |
| 245 | 0 | _aUNESCO´standart-setting instruments | |
| 260 |
_aFrancia : _bUNESCO, _c1981. |
||
| 300 | _as/ paginación | ||
| 500 | _aincorporating supplement 2 (1986) | ||
| 999 |
_c153678 _d153678 |
||