| 000 | 00652nam a2200205 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160457.0 | ||
| 008 | 081109s1975 mx r 000 0 spa d | ||
| 035 | _aUPN01000166347 | ||
| 049 | _aUNE | ||
| 080 | _a023 (100) =20 "1975" KER. | ||
| 100 | 1 | _aKeren, Carl | |
| 245 | 1 | 0 | _aGuidelines on the planning of national scientific and technological information system/ by Carl Keren. |
| 260 |
_aParis: _bUNESCO, _c1975. |
||
| 300 | _a55 p. | ||
| 440 | 0 | _aSC/75/WS/39 | |
| 690 | _aInformación/bibliotecas, planificación | ||
| 690 | _aInformación/bibliotecas, política | ||
| 690 | _aSistemas nacionales de información | ||
| 905 | _aUNESCO | ||
| 999 |
_c138458 _d138458 |
||