| 000 | 00346nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 151015s9999 xx 000 0 und d | ||
| 020 | _a925102789x | ||
| 245 |
_aWatershed management field manual _bRoad design and construction in sensitive watersheds |
||
| 260 | _c1989 | ||
| 300 | _a196 p. | ||
| 500 | _aFAO Conervation guide 13/5 | ||
| 942 | _2udc | ||
| 999 |
_c25411 _d25411 |
||