| 000 | 005590000a22001690004500 | ||
|---|---|---|---|
| 090 |
_aAR _b02917 |
||
| 245 | 1 | 0 | _aLand-bridge island perspective on mammalian extinctions in western North American parks |
| 650 | 1 | 4 |
_aMamíferos _992510 |
| 650 | 1 | 4 |
_aAreas protegidas _978 |
| 650 | 1 | 4 |
_aEspecies en peligro _993276 |
| 650 | 1 | 4 |
_aPoblación humana _916890 |
| 651 | 4 |
_pEstados Unidos _992749 |
|
| 041 | 0 | _aInglés | |
| 100 | 1 |
_aNewmark, William D. _996294 |
|
| 942 | _cARTICULO | ||
| 773 | 1 |
_tNature: International Weekly Journal of Science _3172 _q430-432 _d1987 _g325 |
|
| 999 |
_c11977 _d11977 |
||