| 000 | nam a22 4500 | ||
|---|---|---|---|
| 082 |
_a627 _bE3w _d1972 |
||
| 090 |
_c11989 _d11989 |
||
| 100 | _aEconomic Commission for Asia and the Far ast | ||
| 245 | _aWater resource project planning water resources series no.41 | ||
| 260 |
_aNew York _bUnited Nations _c1972 |
||
| 942 | _c22 | ||
| 999 |
_c11376 _d11376 |
||