| 000 | 00346nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 220204s9999 xx 000 0 und d | ||
| 082 |
_a556.51:65 _bGRE |
||
| 100 | _aGregersen, H M | ||
| 245 | 0 | _aGuidelines for economic appraisal of watershed management projects | |
| 260 |
_aRome _bFAO _c1987 |
||
| 490 | _aFAO conservation guide 16 | ||
| 942 | _cBK | ||
| 999 |
_c40896 _d40896 |
||