| 000 | nam a22 4500 | ||
|---|---|---|---|
| 245 | _aProceedings of the regional seminar on systems analysis for water resources development : water resources series No 61 | ||
| 260 |
_aNew York _bUnited Nations _c1985 |
||
| 710 | _aEconomic and Social Commission for Asia and the Pacific | ||
| 942 | _c22 | ||
| 999 |
_c4886 _d4886 |
||