| 000 | 00502nam a2200181 a 4500 | ||
|---|---|---|---|
| 005 | 20240913063740.0 | ||
| 008 | 081109s1987 mx r 000 0 spa d | ||
| 035 | _aUPN01000167456 | ||
| 049 | _aUNE | ||
| 080 | _a008:37: 5:6 (100) =20WOR No.1. | ||
| 245 | 0 | 4 | _aThe World by the year 2000. |
| 260 |
_aParís : _bUNESCO. Bureau of Studies and Programming, _c1987. |
||
| 300 | _a24 p. | ||
| 690 |
_aCultura _97095 |
||
| 690 |
_aCiencia _97469 |
||
| 690 | _aEducación y desarrollo | ||
| 905 | _aUNESCO | ||
| 999 |
_c139567 _d139567 |
||