| 000 | 00384nam a2200121Ia 4500 | ||
|---|---|---|---|
| 001 | MPKV109581 | ||
| 008 | 120911s9999 xx 000 0 und d | ||
| 082 | _a631.4 | ||
| 245 |
_aJournal of Soil and Water Conservation vol. 39 No. 1-6 _c; |
||
| 246 | _aJournal of Soil and Water Conservation vol.14 | ||
| 260 |
_aIowa _bSoil Conservation Society of America _c1984 |
||
| 650 | _aSoil science | ||
| 999 |
_c72916 _d72916 |
||