| 000 | 00622nam a2200205 a 4500 | ||
|---|---|---|---|
| 005 | 20220819123544.0 | ||
| 008 | 081109s1979 mx r 000 0 spa d | ||
| 020 | _a9231017276 | ||
| 035 | _aUPN01000166355 | ||
| 049 | _aUNE | ||
| 080 | _a341.16: 001: 3 (4) =20 ACT No.45. | ||
| 245 | 0 | 0 | _aUNESCO'S activities in science and technology in the European and North American Region. |
| 260 |
_aParis : _bUNESCO, _c1979. |
||
| 300 | _a49 p. | ||
| 440 | 0 | _aScience policy studies and documents; 45 | |
| 690 |
_aActividades cientÃficas _9136 |
||
| 690 | _aDesarrollo cientÃfico | ||
| 690 | _aEuropa | ||
| 905 | _aUNESCO | ||
| 999 |
_c138466 _d138466 |
||