| 000 | 003770000a22001570004500 | ||
|---|---|---|---|
| 060 | _a100 | ||
| 082 | _a574 HAR | ||
| 100 | _aHardin, Garrelt | ||
| 245 | _aBiology: its principles and implications | ||
| 250 | _a2 | ||
| 260 | _aSan Francisco, W H Freeman and Comapny | ||
| 260 | _c1949 | ||
| 300 | _a771 | ||
| 650 | _aEquilibria ecology-evolution/heredity | ||
| 942 | _cBK | ||
| 999 |
_c355214 _d355214 |
||