| 000 | 00571nam a2200157 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160512.0 | ||
| 008 | 081109s1989 mx r 000 0 spa d | ||
| 035 | _aUPN01000166960 | ||
| 049 | _aUNE | ||
| 080 | _a369.1 "313" (7/8) =20PRO No.53. | ||
| 245 | 0 | 0 | _aProceedings of the second international meeting on 21st century studies: volume II: national studies- America (USA, Canada, Costa Rica, Colombia, Mexico) |
| 260 |
_aParis : _bUNESCO, _c1989. |
||
| 300 | _a164 p. | ||
| 690 | _aDesarrollo economico y social- Sociedad futura- America Lat. | ||
| 905 | _aUNESCO | ||
| 999 |
_c139071 _d139071 |
||