| 000 | 00395nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 100 | _aStevenson, W.H., Brown, P.E., forman, L.W. | ||
| 245 | _aCrop returns under various rotation in the Wisconsin drieft soil area | ||
| 260 |
_aAmes _c1926 |
||
| 300 | _a228-263 p. | ||
| 440 | _aIowa Agricultural Experiment | ||
| 901 | _a21779 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c3635 _d3635 |
||