| 000 | 00568nam a2200169 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160503.0 | ||
| 008 | 081109s1970 mx r 000 0 spa d | ||
| 035 | _aUPN01000166659 | ||
| 049 | _aUNE | ||
| 080 | _aOC 01:02 (100) =20=40 1970GUI No. 3 | ||
| 245 | 0 | 0 | _aGuide to national bibliographical information centres = Guide des centres nationaux d'information bibliographique. |
| 260 |
_aParis : _bUNESCO, _c1970. |
||
| 300 | _a195 p | ||
| 440 | 0 |
_aUNESCO bibliographical handbooks ; _v3. |
|
| 690 | _aBibliografias- Sistemas de informacion | ||
| 905 | _aUNESCO | ||
| 999 |
_c138770 _d138770 |
||