| 000 | 00316cam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 180718b1971 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aV4x42 Un3 70 | ||
| 245 |
_aRiver basin management _cBy United nations |
||
| 260 |
_aNew York _bUnited nations _c1971 |
||
| 300 | _a101p. | ||
| 650 | _aWatershed management -- Congresses | ||
| 999 |
_c413581 _d413581 |
||