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| 005 | 20210219160535.0 | ||
| 008 | 081110s1956 mx r 000 0 spa d | ||
| 035 | _aUPN01000167492 | ||
| 049 | _aUNE | ||
| 080 | _aOC 017: 791.4:5 (100)=40 CAT No.20. | ||
| 245 | 0 | 0 | _aCatalogue de 50 films de vulgarisation scientifique. |
| 260 |
_aParís : _bUNESCO, _c1956. |
||
| 300 | _a33 p. | ||
| 440 | 0 |
_aCahiers du centre de documentation ; _v20 |
|
| 690 | _aPeliculas - Ciencia - Catalogos | ||
| 905 | _aUNESCO | ||
| 999 |
_c139603 _d139603 |
||