| 000 | 00619nam a2200205 a 4500 | ||
|---|---|---|---|
| 005 | 20241023063849.0 | ||
| 008 | 030514s2004 mx r 000 0 spa d | ||
| 020 | _a9685142351 | ||
| 035 | _aUPN01000124175 | ||
| 049 | _aI | ||
| 050 | 4 |
_aQH541 _bP6.7 |
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| 245 | 0 | 1 |
_a¿Por qué ocurre la extinción? / _ced. Héctor Arita Watanabe. |
| 260 |
_aMéxico : _bCorreo del Maestro : _bLa Vasija, _cc2004. |
||
| 300 |
_a48 p. : _bil. col. |
||
| 440 | 0 | _aEspecies extintas | |
| 650 | 4 |
_aAdaptación (Biología) _9403 |
|
| 650 | 2 |
_aEvolución (Biología) _912397 |
|
| 700 | 1 |
_aArita Watanabe, Héctor, _eed. |
|
| 905 | _aInfantil | ||
| 999 |
_c96354 _d96354 |
||