000 | 00667nam a2200193 a 4500 | ||
---|---|---|---|
005 | 20210219160318.0 | ||
008 | 081009s1990 mx r 000 0 spa d | ||
020 | _a9231024353 | ||
035 | _aUPN01000163094 | ||
049 | _aUNE | ||
080 | _aOC 5:6 (02) =20 MAN No. 67 | ||
245 | 0 | 0 |
_aManual for surveyin national scientific and technological potential : _bfully revised second edition of the Manual first published by UNESCOin 1969. |
260 |
_aParis : _bUNESCO, _c1990. |
||
300 |
_a197 p. ; _bil. |
||
440 | 0 |
_aScience policy studies and documents ; _v67. |
|
690 | _aProgramas cientificos- Ciencia y tecnologia- Guias | ||
710 | 2 | _aUNESCO | |
905 | _aUNESCO | ||
999 |
_c135207 _d135207 |