| 000 | 00381nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 230410s9999 xx 000 0 und d | ||
| 020 | _a0304310x | ||
| 245 | 1 | 0 | _aEL CORREO DE LA UNESCO |
| 260 |
_bUNESCO _c1989 |
||
| 300 |
_a42 _a0 |
||
| 521 | _aCIENCIAS SOCIALES | ||
| 650 | 4 | _xCALLES ; CARRETERAS ; BERLIN ; PARIS ; BOGOTA ; MOSCU ; EL CAIRO ; TOKIO ; HOUSTON | |
| 999 |
_c70482 _d70482 |
||
| 040 | _aAR-CtUCP | ||