| 000 | 00370nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 100 | _aJohnson, Wendell C. | ||
| 245 | _aStubble-mulch farming on wheatlands of the southern high plains | ||
| 260 |
_aWashington _c1950 |
||
| 300 | _a1-18 p. | ||
| 440 | _aUnited States Department of A | ||
| 901 | _a30793 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c5976 _d5976 |
||