| 000 | 00519n m a2200193 a 4500 | ||
|---|---|---|---|
| 001 | 007331 | ||
| 005 | 20231009192100.0 | ||
| 008 | 070413t19891985--------------000-u-spa-u | ||
| 020 | _a968-36-0835-1 | ||
| 082 | 0 | _a509 SAL | |
| 100 | 1 | _aSaldaña, Juan Jose | |
| 245 | 1 | 0 |
_aIntroduccion a la teoria de la historia de las ciencias _c/ comp. Juan Jose Saldaña |
| 250 | _a2 ed | ||
| 260 |
_aMexico _b: U.N.A.M. _c, 1989 _c, c1985. |
||
| 300 | _a390p. pb. | ||
| 650 | 4 |
_aCiencia _x-Historia |
|
| 710 | 2 | _a | |
| 942 | _cMO | ||
| 999 |
_c227137 _d227137 |
||