| 000 | 00395nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 100 | _aOsborn, W.M., Mathews, O.R. | ||
| 245 | _aCrop rotation, tillage, and fertility experiments at the Lawton(Okla) field stat | ||
| 260 |
_aWashington _c1955 |
||
| 300 | _a1-58 p. | ||
| 440 | _aUnited States Department of A | ||
| 901 | _a45104 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c8168 _d8168 |
||