| 000 | 00397nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 220721s1958 xx 000 0 und d | ||
| 041 | _aeng | ||
| 082 | _a639.9(54) | ||
| 100 | _aWilliams, George | ||
| 245 | _aGeological factors in the distribution of American birds: evolutionary aspects of migration | ||
| 260 |
_aLos Angeles _bUniv. Of California _c1958 |
||
| 300 | _a81P. | ||
| 999 |
_c80696 _d80696 |
||