| 000 | 00474nam a2200181 u 4500 | ||
|---|---|---|---|
| 005 | 20240911064312.0 | ||
| 008 | 010326s1979 mx r 000 0 eng d | ||
| 020 | _a9681811445 | ||
| 035 | _aUPN01000105728 | ||
| 049 | _aCG | ||
| 050 | 4 |
_aQ127 M6 _bP4.4 |
|
| 100 | 1 |
_aPérez Tamayo, Ruy, _d1924- |
|
| 245 | 1 | 0 |
_aEn defensa de la ciencia/ _cRuy Pérez Tamayo. |
| 260 |
_aMéxico : _bLimusa. _c1979 |
||
| 300 | _a168 p. | ||
| 650 | 2 |
_aCiencia _zMéxico _98626 |
|
| 905 | _aLibro | ||
| 999 |
_c79641 _d79641 |
||