000 | 005830000a22002290044500 | ||
---|---|---|---|
003 | OSt | ||
005 | 20210923171118.0 | ||
006 | m | ||
008 | 181107b xxu||||| |||| 00| 0 eng d | ||
040 | _cbumc | ||
100 |
_919073 _aAsimov, Isaac |
||
260 | _aNew York, EE.UU. | ||
245 | _aEarth: our crowded spaceship | ||
260 | _bThe John Day Company | ||
260 | _c1974 | ||
650 | 7 |
_aCIENCIAS NATURALES _9704 |
|
650 | 7 |
_aCONSERVACION DE LOS RECUSOS NATURALES _919074 |
|
650 | 7 |
_aECOLOGIA HUMANA _93666 |
|
650 | 7 |
_aPOBLACION _92496 |
|
650 | 7 |
_a _919075 |
|
942 |
_2ddc _cLIBRO |
||
999 |
_c5207 _d5207 |