| 000 | 00354nam a2200133Ia 4500 | ||
|---|---|---|---|
| 100 | _aPaul R Ehrlich, Anne H Ehrlich | ||
| 020 | _a0-7167-0680-6 | ||
| 654 | _aSociology | ||
| 942 | _cBK | ||
| 245 | _aPopulation resources environment : issues in human ecology | ||
| 260 |
_aW H Freeman, San Francisco _cc1970 |
||
| 082 | _a301.32 Ehr/Ehr | ||
| 300 | _a383p | ||
| 999 |
_c11987 _d11987 |
||