| 000 | 00346nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 210422s9999 xx 000 0 und d | ||
| 020 | _a968-36-0820-5 | ||
| 041 | _aESPAÑOL | ||
| 082 |
_a _b |
||
| 245 | 0 |
_aPROSPECTIVA CIENTIFICA Y TECNOLOGICA EN AMERICA LATINA _b |
|
| 260 |
_aMEXICO _bUNIVERSIDAD NACIONAL AUTONOMA DE MEXICO _c1989 |
||
| 942 | _cBK | ||
| 999 |
_c37949 _d37949 |
||