| 000 | 00581nam a2200181 a 4500 | ||
|---|---|---|---|
| 005 | 20210219160303.0 | ||
| 008 | 081006s2000 mx r 000 0 spa d | ||
| 035 | _aUPN01000162425 | ||
| 049 | _aUNE | ||
| 080 | _aOC 31:5: 6 (72)=20 "1992" IND. | ||
| 245 | 0 | 0 | _aIndicators of scientific and technological activities 1992. |
| 260 | _aMexico : CONACYT : SEP, 1992. | ||
| 300 | _a99 p. | ||
| 690 | _aEstadisticas cientificas- Mexico | ||
| 710 | 2 | _aCONACYT. Consejo Nacional de Ciencia y Tecnología | |
| 710 | 2 | _aMéxico. Secretaría de Educación Pública. | |
| 905 | _aUNESCO | ||
| 999 |
_c134538 _d134538 |
||