| 000 | 00351nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1976 xx 000 0 und d | ||
| 082 | _aZOOL 301.S48I | ||
| 100 | _aSinger, S. Freedi | ||
| 245 | 0 | _aIs there an optimum level of Population? | |
| 250 | _a1st | ||
| 260 |
_aNew York _bMcGraw-Hill Book Company _c1976 |
||
| 300 | _a425 | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c136321 _d136321 |
||