| 000 | 00382cam a22001217a 4500 | ||
|---|---|---|---|
| 008 | 180718b1971 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aO19 Un3 | ||
| 100 | _aEconomic Commission For Europe | ||
| 245 |
_aEce symposium on problems relating to environment _cby Economic Commission For Europe |
||
| 260 |
_aNew York _bUnited Nation _c1971 |
||
| 300 | _avii, 386p | ||
| 650 | _aEnvironment. | ||
| 999 |
_c415163 _d415163 |
||