| 000 | 00663nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 190328s9999||||xx |||||||||||||| ||und|| | ||
| 040 |
_aNITIL _cNITIL |
||
| 082 |
_221st _a333.91 _bU58L |
||
| 110 | _aUnited Nations. Economic Commission for Europe | ||
| 245 | 0 |
_aLong-term planning of water management _bproceedings of the seminar on long-term planning of water management, Zlatni Piasatzi (Bulgaria)17-22 May 1976 |
|
| 260 |
_aNew York _bUnited Nations _c1976 |
||
| 300 | _a3v. V.p | ||
| 440 | _aECE/Water/15 | ||
| 650 | _aWater quality-Management; Water resources development; Water conservation; Water resources development-Environmental aspects | ||
| 942 | _cBKS | ||
| 999 |
_c15627 _d15627 |
||