000 | 00370nam a2200133 a 4500 | ||
---|---|---|---|
005 | 20210219161940.0 | ||
008 | 131210s1981 mx r 000 0 spa d | ||
035 | _aUPN01000194720 | ||
049 | _aUNE | ||
080 | 4 | _aDO 341.16: 001 (02) "1981" CON | |
245 | 0 | 3 |
_aEl consejo ejecutivo de la UNESCO : _bediciĆ³n de 1981. |
260 |
_aParis : _bUNESCO, _c1981. |
||
300 | _a82 p. | ||
999 |
_c166821 _d166821 |