000 | 00384nam a2200121Ia 4500 | ||
---|---|---|---|
001 | MPKV108914 | ||
008 | 120911s9999 xx 000 0 und d | ||
082 | _a631.4 | ||
245 |
_aJournal of Soil and Water Conservation vol. 42 No. 1-6 _c; |
||
246 | _aJournal of Soil and Water Conservation vol.14 | ||
260 |
_aIowa _bSoil Conservation Society of America _c1987 |
||
650 | _aSoil science | ||
999 |
_c72263 _d72263 |