| 000 | 00408nam a2200121Ia 4500 | ||
|---|---|---|---|
| 001 | MPKV061294 | ||
| 008 | 120911s9999 xx 000 0 und d | ||
| 082 | _a631.4 | ||
| 245 |
_aJournal of Soil and Water Conservation Vol.31 and 32 No.1-6 _c; |
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| 246 | _aJournal of Soil and Water Conservation Vol.31 and 32 No.1-6 | ||
| 260 |
_aIowa _bSoil Conservation Society of America _c1976-1977 |
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| 650 | _aSoil science | ||
| 999 |
_c59280 _d59280 |
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