| 000 | 00457nam a2200157 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160543.0 | ||
| 008 | 081110s1969 mx r 000 0 spa d | ||
| 035 | _aUPN01000167841 | ||
| 049 | _aUNE | ||
| 080 | _aOC 31 (100) =20=40 "1968" STA. | ||
| 245 | 0 | 0 | _aStatistical yearbook, 1968 ; Annuaire statistique, 1968. |
| 260 |
_aParis : _bUNESCO, _c1969. |
||
| 300 | _a550 p. | ||
| 690 | _aEstadisticas - Educacion - Ciencia - Cultura | ||
| 905 | _aUNESCO | ||
| 999 |
_c139952 _d139952 |
||