| 000 | 00615nam a2200193 a 4500 | ||
|---|---|---|---|
| 005 | 20210223123656.0 | ||
| 008 | 991125s1971 par 000 0 eng u | ||
| 035 | _aUPN01000057722 | ||
| 049 | _aCE | ||
| 050 | 4 |
_aZ699.4 _bU58 |
|
| 110 | 2 | _aUNESCO | |
| 245 | 1 | 0 |
_aUNISIST : _bstudy report on the feasibility of a world science information system / _cby UNESCO and the International Council of Scientific Unions. |
| 260 |
_aParís : _bUNESCO, _c1971. |
||
| 300 | _a163 h. | ||
| 500 | _aFotocopia | ||
| 650 | 4 |
_aSISTEMAS DE ALMACENAMIENTO Y RECUPERACION DE INFORMACION _96288 |
|
| 650 | 4 | _aUNISIST | |
| 905 | _aLibro | ||
| 999 |
_c57722 _d57722 |
||